Gaya APA

Pramono, P., Sulistyo, U. (2007). 5 Giant steps : to succesful busines writing (Ed.1). Yogyakarta: Andi.

Gaya MLA

Pramono, Penir., Sulistyo, Ule. "5 Giant steps : to succesful busines writing". Ed.1 Yogyakarta: Andi, 2007. Text.