Gaya APA

Pramono, P, R. (2006). 30 menit essay writing:writing is easy / Peni R.Pramono (Ed.1). Yogyakarta: Andi Offset.

Gaya MLA

Pramono, Peni, R.. "30 menit essay writing:writing is easy / Peni R.Pramono". Ed.1 Yogyakarta: Andi Offset, 2006. Text.