Gaya APA
Student guide 1988-1989. (1988).
Jakarta:
Media Informasi Studi.
Gaya Chicago
Student guide 1988-1989.
.
Jakarta:
Media Informasi Studi,
1988.
Reference.
Gaya MLA
Student guide 1988-1989.
.
Jakarta:
Media Informasi Studi,
1988.
Reference.
Gaya Turabian
Student guide 1988-1989.
Jakarta:
Media Informasi Studi,
1988.
Reference.