Conclusions CONCLUSIONS AND SUGGESTIONS

69 Hoffman, C. 1991. An Introduction to Bilingualism. New York: Longman. Holmes, J. 2008. An introduction to sociolinguistics Learning about Language Series . Pearson Longman Huberman, M. Miles, M.B. 1984. Qualitative Data Analysis: A sourcebook of New Method. Beverly Hills: Sage Publication Hymes, D. 1974. Foundations in Sociolinguistics: an Ethnographic Approach. Vol. 65. University of Pennsylvania Press Kanom. 2011. Code Switching Among the Sasak Community at Kuta Central Lombok. English Department Faculty of Teacher Training and Education Malang University. Unpublished Thesis. Malang Lester , Hyginus. 2010. Code Switching in the Teaching of English as a Second Language to Secondary School Students. Malaysian Journal of ELT Research. Vol. 6 No. 1, April, pp. 73 – 82 Lusius, S. 2005. Inkulturasi Ritus Perkawinan Adat Batak Toba. Unpar: FF Unpar Manel, Dehimi. 2010. Code-Switching Among English Students. A Case Study of Mentouri University-Constantine Students. Letters and Languages Department of English Faculty Mentouri University. Chicago McCormick, K. 1995. Code-switching, code-mixing and convergence in Cape Town. In R. Mesthrie ed. Language and social history. Cape Town: David Philip Publishers. Muysken, P. 2000. Bilingual Speech: A Typology of Code-Mixing. Cambridge: Cambridge University Press. Numan, D. Carter, D. 2001. Teaching English to speakers of other languages. Cambridge: Cambridge University Press. Richard. 2005. Code Switching as a Countenance of Language Interference. The Internet TESL Journal for Teachers of English as a Second Language. Vol. XIII. No. 3, March, pp. 52 – 58 Romaine, S. 2000. Language in Society: An Introduction to Sociolinguistics. Oxford University Press: New York. Sinaga, Richard. 1999. The Toba-Batak High God-Transcendence and Immanence. Jakarta: Dian Utama. Spradley, J.P. 1980. Participant Observation. New York: Holt, Rinrhart and Wiston