Gaya APA

HARTY, K, J., KEENAN, J. (1987). WRITING FOR BUSINESS AND INDUSTRY: PROCESS AND PRODUCT . New York: MACMILLAN PUBLISHING.

Gaya MLA

HARTY, Kevin, J., KEENAN, JOHN. "WRITING FOR BUSINESS AND INDUSTRY: PROCESS AND PRODUCT". New York: MACMILLAN PUBLISHING, 1987. Textbook.