APA Style
HENDERSON, Vernon. (1991).
Prinsiples of Economics .
Toronto:
DC, Heath and Company.
Chicago Style
HENDERSON, Vernon.
Prinsiples of Economics.
Toronto:
DC, Heath and Company,
1991.
Text.
MLA Style
HENDERSON, Vernon.
Prinsiples of Economics.
Toronto:
DC, Heath and Company,
1991.
Text.
Turabian Style
HENDERSON, Vernon.
Prinsiples of Economics.
Toronto:
DC, Heath and Company,
1991.
Print.