Gaya APA

Purwanto, C, V. (2019). Tomorrow will always come, I am a last-minute person: validation of the active procrastination scale-bahasa Indonesia (Vol. 23, No. 1/ Juli 2019). Jakarta: Universitas Indonesia.

Gaya MLA

Purwanto, Cynthia, Vivian. "Tomorrow will always come, I am a last-minute person: validation of the active procrastination scale-bahasa Indonesia". Vol. 23, No. 1/ Juli 2019 Jakarta: Universitas Indonesia, 2019. Text.