APA

Sweeney S., . (2003). English for Business Communication. New York: Cambridge University Press.

Chicago

Sweeney S, . 2003. English for Business Communication. New York: Cambridge University Press.

Harvard

Sweeney S., . (2003). English for Business Communication. New York: Cambridge University Press.

MLA

Sweeney S, . English for Business Communication. New York: Cambridge University Press. 2003.