APA引文

Peni R. Pramono, & Oktaviani HS. (2005). 30 menit essay writing, writing is easy. Yogyakarta: Andi offset.

Chicago Style Citation

Peni R. Pramono, and Oktaviani HS. 30 Menit Essay Writing, Writing Is Easy. Yogyakarta: Andi offset, 2005.

MLA引文

Peni R. Pramono, and Oktaviani HS. 30 Menit Essay Writing, Writing Is Easy. Yogyakarta: Andi offset, 2005.

警告：這些引文格式不一定是100％准確.