APA (7th ed.) Citation

Preston, D. R. (1989). Sociolinguistics and second language acquistion. Basil Blackwell.

Chicago Style (17th ed.) Citation

Preston, Dennis R. Sociolinguistics and Second Language Acquistion. Oxford: Basil Blackwell, 1989.

MLA (9th ed.) Citation

Preston, Dennis R. Sociolinguistics and Second Language Acquistion. Basil Blackwell, 1989.

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