Gaya APA
A.Samuelson, P.
(1981).
Economics Pengantar Uraian II
(
Cet.2)
.
Jakarta:
Viva Study Club.
Gaya MLA
A.Samuelson, Paul.
"Economics Pengantar Uraian II".
Cet.2
Jakarta:
Viva Study Club,
1981.
Text.