Gaya APA
Becker, Gary S.. (1971).
ECONOMIC THEORY .
New York:
.
Gaya Chicago
Becker, Gary S..
ECONOMIC THEORY.
New York:
,
1971.
Buku.
Gaya MLA
Becker, Gary S..
ECONOMIC THEORY.
New York:
,
1971.
Buku.
Gaya Turabian
Becker, Gary S..
ECONOMIC THEORY.
New York:
,
1971.
Buku.