APA Style

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

Chicago Style

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

MLA Style

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

Turabian Style

Pramono, Peni R.. 30 menit essay writing : writing is easy / Peni r. pramono. Ed. 1 Yogyakarta: Andi Offset, 2006. Print.