Cummins, J., & Swain, M. (1989). Bilingualism in education: Aspects of theory, research and practice. Longman.
Chicago Style (17th ed.) CitationCummins, Jim, and Merrill Swain. Bilingualism in Education: Aspects of Theory, Research and Practice. London [etc.]: Longman, 1989.
MLA (9th ed.) CitationCummins, Jim, and Merrill Swain. Bilingualism in Education: Aspects of Theory, Research and Practice. Longman, 1989.
Warning: These citations may not always be 100% accurate.