Gaya APA

FERRER-HANREDDY, J., WHALLEY, E. (1996). A Listening/ speaking skills book : (3rd ed.). New York: The McGraw-Hill Companies.

Gaya MLA

FERRER-HANREDDY, Jami., WHALLEY, Elizabeth. "A Listening/ speaking skills book :". 3rd ed. New York: The McGraw-Hill Companies, 1996. Buku.