Gaya APA

PRAMONO, P, R. (2007). 5 GIANT STEPS TO SUCCESSFUL BUSINESS WRITING (ED.1). YOGYAKARTA: CV. ANDI OFFSET.

Gaya MLA

PRAMONO, PENI, R.. "5 GIANT STEPS TO SUCCESSFUL BUSINESS WRITING". ED.1 YOGYAKARTA: CV. ANDI OFFSET, 2007. Text.