Gaya APA
Ferguson, C. E., Kreps, Juanita M.. (1962).
Principles of economics .
New York:
Holt, Rinehart and Winston.
Gaya Chicago
Ferguson, C. E., Kreps, Juanita M..
Principles of economics.
New York:
Holt, Rinehart and Winston,
1962.
Text.
Gaya MLA
Ferguson, C. E., Kreps, Juanita M..
Principles of economics.
New York:
Holt, Rinehart and Winston,
1962.
Text.
Gaya Turabian
Ferguson, C. E., Kreps, Juanita M..
Principles of economics.
New York:
Holt, Rinehart and Winston,
1962.
Print.