APA

Kirn E., Jack D., . (1996). Interactions one: a communicative grammar. New York: McGraw-Hill Companies.

Chicago

Kirn Elaine, Jack Darcy, . 1996. Interactions one: a communicative grammar. New York: McGraw-Hill Companies.

Harvard

Kirn E., Jack D., . (1996). Interactions one: a communicative grammar. New York: McGraw-Hill Companies.

MLA

Kirn Elaine, Jack Darcy, . Interactions one: a communicative grammar. New York: McGraw-Hill Companies. 1996.