Gaya APA

Leo, S. et al (2022). Essay Writing English For Academic Purposes : With Exercises and Answer Key 3rd Edition (Ed.1, Cet.1). Yogyakarta: Penerbit Andi.

Gaya MLA

Leo, Sutanto. et al. "Essay Writing English For Academic Purposes : With Exercises and Answer Key 3rd Edition". Ed.1, Cet.1 Yogyakarta: Penerbit Andi, 2022. TEXT.