APA Style
ASEAN: The first 20 years. (1987).
Singapura:
The Asean Secretary.
Chicago Style
ASEAN: The first 20 years.
.
Singapura:
The Asean Secretary,
1987.
Referensi.
MLA Style
ASEAN: The first 20 years.
.
Singapura:
The Asean Secretary,
1987.
Referensi.
Turabian Style
ASEAN: The first 20 years.
Singapura:
The Asean Secretary,
1987.
Referensi.