Gaya APA

Purwanto, R, P, W. (2019). The Use High Order Thinking Skill Questions to Enhance Student's English Proficiency in SMA 6 Malang (2020). Malang: Universitas Brawijaya.

Gaya MLA

Purwanto, Rizky, Pratama, Widya. "The Use High Order Thinking Skill Questions to Enhance Student's English Proficiency in SMA 6 Malang". 2020 Malang: Universitas Brawijaya, 2019. Text.