Gaya APA

Rizka, H., Intanti, M, W. (2021). Master Pocket IELTS (Cet.5). Yogyakarta: Cemerlang Publishing.

Gaya MLA

Rizka, Haira., Intanti, Maulidya, W.. "Master Pocket IELTS". Cet.5 Yogyakarta: Cemerlang Publishing, 2021. Text.