APA Style

Titis, W, W. (2021). Essentials of Mastering Basic English Structure (1). Yogyakarta: Bintang Pustaka Madani.

MLA Style

Titis, Wisnu, Wijaya,. "Essentials of Mastering Basic English Structure". 1 Yogyakarta: Bintang Pustaka Madani, 2021. Text.