Gaya APA
KOIVISTO,William A.. (1957).
Principles and Problems of Modern Economics .
New York:
John Wiley.
Gaya Chicago
KOIVISTO,William A..
Principles and Problems of Modern Economics.
New York:
John Wiley,
1957.
Teks.
Gaya MLA
KOIVISTO,William A..
Principles and Problems of Modern Economics.
New York:
John Wiley,
1957.
Teks.
Gaya Turabian
KOIVISTO,William A..
Principles and Problems of Modern Economics.
New York:
John Wiley,
1957.
Teks.