Gaya APA
Rangkuti-Hasibuan, S.
(1987).
English For Specific Purposes: LAW
.
Jakarta:
Gramedia Pustaka Utama.
Gaya MLA
Rangkuti-Hasibuan, Sofia.
"English For Specific Purposes: LAW".
Jakarta:
Gramedia Pustaka Utama,
1987.
Text.