APA

Smith L. R., . (1985). Basic English for business and technical careers. New York: John Wiley.

Chicago

Smith Leila R, . 1985. Basic English for business and technical careers. New York: John Wiley.

Harvard

Smith L. R., . (1985). Basic English for business and technical careers. New York: John Wiley.

MLA

Smith Leila R, . Basic English for business and technical careers. New York: John Wiley. 1985.