Gaya APA

Wulandari,, Y., Sjah, B. (2001). The cambridge guide to teaching english to speakers of other languages . Sleman :: Cambridge University Press.

Gaya MLA

Wulandari,, Yulianti., Sjah, Benri. "The cambridge guide to teaching english to speakers of other languages". Sleman :: Cambridge University Press, 2001. Text.