Gaya APA
Enke, Stephen. (1951).
Intermediate economic theory .
New York:
Prentice Hall.
Gaya Chicago
Enke, Stephen.
Intermediate economic theory.
New York:
Prentice Hall,
1951.
Text.
Gaya MLA
Enke, Stephen.
Intermediate economic theory.
New York:
Prentice Hall,
1951.
Text.
Gaya Turabian
Enke, Stephen.
Intermediate economic theory.
New York:
Prentice Hall,
1951.
Print.