Gaya APA

Simatupang, M, S. (2022). English Speed Reading For University Learners (ed. 1 cet. 1). Yogyakarta: Deepublish.

Gaya MLA

Simatupang, Masda, Surti. "English Speed Reading For University Learners". ed. 1 cet. 1 Yogyakarta: Deepublish, 2022. Text.