Gaya APA

PETERSON, P, W. (2003). WRITING SKILLS PRACTISE BOOK FOR EFL: BEGINNING/INTERMEDIATE LEVEL; DEVELOPING WRITING (2). Sidoarjo: .

Gaya MLA

PETERSON, PATRICIA, WILCOX. "WRITING SKILLS PRACTISE BOOK FOR EFL: BEGINNING/INTERMEDIATE LEVEL; DEVELOPING WRITING". 2 Sidoarjo: , 2003. Text.