Gaya APA
Rangkuti-Hasibuan, Sofia [Hajjah].. (1990).
English for special purposes : agriculture / H. Sofia Rangkuti-Hasibuan .
Jakarta:
Gramedia Pustaka Utama.
Gaya Chicago
Rangkuti-Hasibuan, Sofia [Hajjah]..
English for special purposes : agriculture / H. Sofia Rangkuti-Hasibuan.
Jakarta:
Gramedia Pustaka Utama,
1990.
Text.
Gaya MLA
Rangkuti-Hasibuan, Sofia [Hajjah]..
English for special purposes : agriculture / H. Sofia Rangkuti-Hasibuan.
Jakarta:
Gramedia Pustaka Utama,
1990.
Text.
Gaya Turabian
Rangkuti-Hasibuan, Sofia [Hajjah]..
English for special purposes : agriculture / H. Sofia Rangkuti-Hasibuan.
Jakarta:
Gramedia Pustaka Utama,
1990.
Print.