Gaya APA
Social research for consumers. (1982).
California:
Publishing Company.
Gaya Chicago
Social research for consumers.
.
California:
Publishing Company,
1982.
Buku.
Gaya MLA
Social research for consumers.
.
California:
Publishing Company,
1982.
Buku.
Gaya Turabian
Social research for consumers.
California:
Publishing Company,
1982.
Buku.