Gaya APA

Asmoro, S, ,, M. et al (2020). Accurate Brief and Clear English Grammar (Ed.baru). Surabaya: Indah.

Gaya MLA

Asmoro, Seputro, ,, Manaf. et al. "Accurate Brief and Clear English Grammar". Ed.baru Surabaya: Indah, 2020. Text.