Gaya APA
Samuelson, P, A.
(1980).
Economics : pengantar uraian / Paul A. Samuelson
.
Jakarta:
Viva Study Club.
Gaya MLA
Samuelson, Paul, A..
"Economics : pengantar uraian / Paul A. Samuelson".
Jakarta:
Viva Study Club,
1980.
Textbook.