Gaya APA

Yufrizal, H., Bena, I, V, K. (2021). An Introduction To Second Language Acquisition: A text Book For ESL Learners and English Teachers. Second Edition (Ed.2, Cet.1). Depok: Rajawali Pers.

Gaya MLA

Yufrizal, Hery., Bena, Indi, Vidyafi, Kausart. "An Introduction To Second Language Acquisition: A text Book For ESL Learners and English Teachers. Second Edition". Ed.2, Cet.1 Depok: Rajawali Pers, 2021. Textbook.