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.