Gaya APA
Wolff, J, U. et al (1987).
Beginning Indonesia Trough self-Instruction: Book 2 Lessons 1-13 .
Jakarta:
Gramedia Pustaka Utama.
Gaya MLA
Wolff, John, U. et al.
"Beginning Indonesia Trough self-Instruction: Book 2 Lessons 1-13".
Jakarta:
Gramedia Pustaka Utama,
1987.
Text.