Gaya APA

Hidayati, N, N. et al (2023). Top Strategy IELTS Preparation: International English Language Testing System (-). Jakarta: PT. Gramedia Widiasarana Indonesia.

Gaya MLA

Hidayati, Niswatin, Nurul. et al. "Top Strategy IELTS Preparation: International English Language Testing System". - Jakarta: PT. Gramedia Widiasarana Indonesia, 2023. Text.