Gaya APA
Basic for Student With Application. (1982).
Filipina:
Addison wesley Publishing Company.
Gaya Chicago
Basic for Student With Application.
.
Filipina:
Addison wesley Publishing Company,
1982.
.
Gaya MLA
Basic for Student With Application.
.
Filipina:
Addison wesley Publishing Company,
1982.
.
Gaya Turabian
Basic for Student With Application.
Filipina:
Addison wesley Publishing Company,
1982.
.