APA Style

PRAMONO, P, R. (2006). 30 MENIT ESSAY WRITING (WRITING IS EASY ) . YOGYAKARTA: ANDI OFFSET.

MLA Style

PRAMONO, PENI, R. "30 MENIT ESSAY WRITING (WRITING IS EASY )". YOGYAKARTA: ANDI OFFSET, 2006. Text.