APA Style
Kohler, Heinz. (1972).
What economics is all about .
Illinois:
The Dryden Press, Inc.
Chicago Style
Kohler, Heinz.
What economics is all about.
Illinois:
The Dryden Press, Inc,
1972.
Buku Teks.
MLA Style
Kohler, Heinz.
What economics is all about.
Illinois:
The Dryden Press, Inc,
1972.
Buku Teks.
Turabian Style
Kohler, Heinz.
What economics is all about.
Illinois:
The Dryden Press, Inc,
1972.
Buku Teks.