Gaya APA

J., T, L., Truett, D, B. (1987). ECONOMICS . St. Louis, Missouri: TIMES MIRROR/MOSBY COLLEGE PUBLISHING.

Gaya MLA

J., Truett, Lila., Truett, Dale, B.. "ECONOMICS". St. Louis, Missouri: TIMES MIRROR/MOSBY COLLEGE PUBLISHING, 1987. Textbook.