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