Gaya APA
Economics : a Tool for Understending Society. (1947).
Canada:
Addison Wesley Publishing.
Gaya Chicago
Economics : a Tool for Understending Society.
Ed. 2.
Canada:
Addison Wesley Publishing,
1947.
.
Gaya MLA
Economics : a Tool for Understending Society.
Ed. 2.
Canada:
Addison Wesley Publishing,
1947.
.
Gaya Turabian
Economics : a Tool for Understending Society.
Canada:
Addison Wesley Publishing,
1947.
.