Gaya APA

Pramono, P., R. (2006). 30 MENIT ESSAY WRITING, WRITING IS EASY (I). Yogyakarta: Andi Offset.

Gaya MLA

Pramono, Peni, R.. "30 MENIT ESSAY WRITING, WRITING IS EASY". I Yogyakarta: Andi Offset, 2006. Buku Inti.