APA Style
Koivisto, William A.. ().
Principles and Problems of Modern Economics .
London:
.
Chicago Style
Koivisto, William A..
Principles and Problems of Modern Economics.
London:
,
.
Text.
MLA Style
Koivisto, William A..
Principles and Problems of Modern Economics.
London:
,
.
Text.
Turabian Style
Koivisto, William A..
Principles and Problems of Modern Economics.
London:
,
.
Print.