Gaya APA
Benham, Frederic. (1941).
Economics : a general textbook .
New York:
Pitman Publishing Corporation.
Gaya Chicago
Benham, Frederic.
Economics : a general textbook.
New York:
Pitman Publishing Corporation,
1941.
Text.
Gaya MLA
Benham, Frederic.
Economics : a general textbook.
New York:
Pitman Publishing Corporation,
1941.
Text.
Gaya Turabian
Benham, Frederic.
Economics : a general textbook.
New York:
Pitman Publishing Corporation,
1941.
Print.