Gaya APA
Siagian, B, R. (2002).
Eight year cycle of asean with forewords/messages of asean foreign ministers .
Jakarta:
Asean National Mass Media.
Gaya MLA
Siagian, Boni, Ray.
"Eight year cycle of asean with forewords/messages of asean foreign ministers".
Jakarta:
Asean National Mass Media,
2002.
Text.