Gaya APA

Yufrizal, H. (2021). An Introduction To Second Language Acquisition A Text Book for ESL Learners and English Teachers (Edisi 1). Depok: Rajawali Pers.

Gaya MLA

Yufrizal, Hery. "An Introduction To Second Language Acquisition A Text Book for ESL Learners and English Teachers". Edisi 1 Depok: Rajawali Pers, 2021. Text.