Gaya APA

Groth, C. et al (2022). Essay Writing English for Academic Purposes With Exercises and Answer Key 3rd Edition (I). Yogyakarta: Andi.

Gaya MLA

Groth, Cheryl. et al. "Essay Writing English for Academic Purposes With Exercises and Answer Key 3rd Edition". I Yogyakarta: Andi, 2022. Text.