APA Style
Mangoensoekarjo, S.. (1983).
Kumpulan Makalah Konperensi Coklat Nasional II : Proceedings of 2nd National Cocoa Conference .
Medan:
BPPM.
Chicago Style
Mangoensoekarjo, S..
Kumpulan Makalah Konperensi Coklat Nasional II : Proceedings of 2nd National Cocoa Conference.
Medan:
BPPM,
1983.
Hard Copy.
MLA Style
Mangoensoekarjo, S..
Kumpulan Makalah Konperensi Coklat Nasional II : Proceedings of 2nd National Cocoa Conference.
Medan:
BPPM,
1983.
Hard Copy.
Turabian Style
Mangoensoekarjo, S..
Kumpulan Makalah Konperensi Coklat Nasional II : Proceedings of 2nd National Cocoa Conference.
Medan:
BPPM,
1983.
Hard Copy.