Gaya APA
Economic In Action. (1902).
California:
Wadsworth Publishing Company Inc..
Gaya Chicago
Economic In Action.
Ed. 4.
California:
Wadsworth Publishing Company Inc.,
1902.
.
Gaya MLA
Economic In Action.
Ed. 4.
California:
Wadsworth Publishing Company Inc.,
1902.
.
Gaya Turabian
Economic In Action.
California:
Wadsworth Publishing Company Inc.,
1902.
.