Gaya APA

Benu, S, V, C. (2021). An Introduction to english vocabulary for the freshmen / Sonya Veningsih Cheryanti Benu (Cet.1). Yogyakarta: Deepublish.

Gaya MLA

Benu, Sonya, Veningsih, Cheryanti. "An Introduction to english vocabulary for the freshmen / Sonya Veningsih Cheryanti Benu". Cet.1 Yogyakarta: Deepublish, 2021. Text.