Gaya APA

Doff, A. et al (1983). Meaning into words intermediate : an integrated course for students of english student`s book . New York: Effendiharahap Publishing Coy.

Gaya MLA

Doff, Adrian. et al. "Meaning into words intermediate : an integrated course for students of english student`s book". New York: Effendiharahap Publishing Coy, 1983. Text.