APA Style

Crosthwaite, P. et al (2017). Mindset for IELTS Level 2 Student's Book with Testbank and Online Modules: An Official Cambridge IELTS Course (Modular Ielts Blended Learning) . Cambridge: Cambridge English.

MLA Style

Crosthwaite, Peter. et al. "Mindset for IELTS Level 2 Student's Book with Testbank and Online Modules: An Official Cambridge IELTS Course (Modular Ielts Blended Learning)". Cambridge: Cambridge English, 2017. Bahasa Inggris.