Gaya APA
New Concise Handbook. (1985).
California:
Wadsworth Publishing Company.
Gaya Chicago
New Concise Handbook.
Cet.10.
California:
Wadsworth Publishing Company,
1985.
.
Gaya MLA
New Concise Handbook.
Cet.10.
California:
Wadsworth Publishing Company,
1985.
.
Gaya Turabian
New Concise Handbook.
California:
Wadsworth Publishing Company,
1985.
.