Gaya APA

Astika, Y, W, D. (2023). ENGLISH GRAMMMAR CONCEPT (Cet.1). YOGYAKARTA: Deepublish.

Gaya MLA

Astika, Yulia, Wiji, Dkk. "ENGLISH GRAMMMAR CONCEPT". Cet.1 YOGYAKARTA: Deepublish, 2023. Text.