Gaya APA

Prasetyo, E. et al (2021). Creative english : english supplementary book for junior high school students grade ix semester 1 (cet. 3). Yogyakarta: Kanisius.

Gaya MLA

Prasetyo, Erwan. et al. "Creative english : english supplementary book for junior high school students grade ix semester 1". cet. 3 Yogyakarta: Kanisius, 2021. Text.