Gaya APA

Wolff, J, U. et al (1987). Beginning Indonesian trough self-instruction: Book 1 preface instructions key glossary index . Jakarta: Gramedia Pustaka Utama.

Gaya MLA

Wolff, John, U. et al. "Beginning Indonesian trough self-instruction: Book 1 preface instructions key glossary index". Jakarta: Gramedia Pustaka Utama, 1987. Text.