Gaya APA

McGillivray, J, H., Echols, J, R. (). People at work : readings with drills and exercises for beginners in english . New York: American Book Company.

Gaya MLA

McGillivray, James, H.., Echols, James, R.. "People at work : readings with drills and exercises for beginners in english". New York: American Book Company, . Text.