Cita APA (7th ed.)

Yorkey, R. (1984). New InterCom (2nd ed.). Heinle and Heinle.

Cita Chicago (17th ed.)

Yorkey, Richard. New InterCom. 2nd ed. Boston: Heinle and Heinle, 1984.

Cita MLA (8th ed.)

Yorkey, Richard. New InterCom. 2nd ed. Heinle and Heinle, 1984.