Gaya APA

Alfiza, I, S., Tandikombong, M. (2021). English Grammar (pre-intermediate) (-). Yogyakarta: Deepublish.

Gaya MLA

Alfiza, Ibnu, Syinna., Tandikombong, Matius. "English Grammar (pre-intermediate)". - Yogyakarta: Deepublish, 2021. Text.