Gaya APA

Setiyadi, B. et al (2018). Teaching language skills : Preparing materials and selecting techniques (Ed. 1). Yogyakarta: Graha ilmu.

Gaya MLA

Setiyadi, Bambang. et al. "Teaching language skills : Preparing materials and selecting techniques". Ed. 1 Yogyakarta: Graha ilmu, 2018. Text.