Gaya APA

Wiratama, M, I. et al (2026). The Master IELTS: Master Your Potential Score 8++ (Cet. 2.). Yogyakarta: Selasar Media Utama.

Gaya MLA

Wiratama, Maftuhul, Ilma. et al. "The Master IELTS: Master Your Potential Score 8++". Cet. 2. Yogyakarta: Selasar Media Utama, 2026. Text.