APA Style

RANGKUTI-HASIBUAN, H. Sofia. (1990). English for Specific Purposes: Agriculture . JAKARTA: Gramedia.

Chicago Style

RANGKUTI-HASIBUAN, H. Sofia. English for Specific Purposes: Agriculture. JAKARTA: Gramedia, 1990. Teks Book.

MLA Style

RANGKUTI-HASIBUAN, H. Sofia. English for Specific Purposes: Agriculture. JAKARTA: Gramedia, 1990. Teks Book.

Turabian Style

RANGKUTI-HASIBUAN, H. Sofia. English for Specific Purposes: Agriculture. JAKARTA: Gramedia, 1990. Teks Book.