Gaya APA
J.Truett, L., B.Truett, D.
(1987).
Economics
.
Jakarta:
Times Mirror/Mos By College Publishing.
Gaya MLA
J.Truett, Lila., B.Truett, Dale.
"Economics".
Jakarta:
Times Mirror/Mos By College Publishing,
1987.
Administrasi Niaga.