Gaya APA
The Research Act. (1975).
Chicago:
Aldine Publishing Company.
Gaya Chicago
The Research Act.
Cet.4.
Chicago:
Aldine Publishing Company,
1975.
.
Gaya MLA
The Research Act.
Cet.4.
Chicago:
Aldine Publishing Company,
1975.
.
Gaya Turabian
The Research Act.
Chicago:
Aldine Publishing Company,
1975.
.