Gaya APA

Harvard, J., Rose, F. (1996). Guide to Professional & Business Correspondence (Cetakan Kelima, April 1996). Jakarta: PT. Ikrar Mandiri Abadi.

Gaya MLA

Harvard, Joseph., Rose, Felix. "Guide to Professional & Business Correspondence". Cetakan Kelima, April 1996 Jakarta: PT. Ikrar Mandiri Abadi, 1996. Text.