APA Style
Rangkuti, Sofia, Hasibuan. (1990).
English for Spesific Purpose Agriculture .
Jakarta:
PT Gramedia Pustaka Utama.
Chicago Style
Rangkuti, Sofia, Hasibuan.
English for Spesific Purpose Agriculture.
Jakarta:
PT Gramedia Pustaka Utama,
1990.
Text.
MLA Style
Rangkuti, Sofia, Hasibuan.
English for Spesific Purpose Agriculture.
Jakarta:
PT Gramedia Pustaka Utama,
1990.
Text.
Turabian Style
Rangkuti, Sofia, Hasibuan.
English for Spesific Purpose Agriculture.
Jakarta:
PT Gramedia Pustaka Utama,
1990.
Print.