Gaya APA

M., Z, A, P., Purindraswari, . (2018). Developing English Skill : Practice Makes Perfect. Edisi Terbaru (Ed.1, Cet.1). Yogyakarta: .

Gaya MLA

M., Zainul, Arifin, PWD,., Purindraswari, . "Developing English Skill : Practice Makes Perfect. Edisi Terbaru". Ed.1, Cet.1 Yogyakarta: , 2018. Textbook.