Penggayaan APA
HASIBUAN, Sofia. (1986).
English for specific economics .
Jakarta:
Gramedia Pustaka Utama.
Chicago Style
HASIBUAN, Sofia.
English for specific economics.
Jakarta:
Gramedia Pustaka Utama,
1986.
Buku.
MLA Style
HASIBUAN, Sofia.
English for specific economics.
Jakarta:
Gramedia Pustaka Utama,
1986.
Buku.
Turabian Style
HASIBUAN, Sofia.
English for specific economics.
Jakarta:
Gramedia Pustaka Utama,
1986.
Buku.