Gaya APA

ROOY, R, D. (2009). PREPARE FOR IELTS (SKILLS AND STRATEGIES) BOOK ONE LISTENING AND SPEAKING (1). JAKARTA: PT. GRAMEDIA PUSTAKA UTAMA.

Gaya MLA

ROOY, RAE, DE. "PREPARE FOR IELTS (SKILLS AND STRATEGIES) BOOK ONE LISTENING AND SPEAKING". 1 JAKARTA: PT. GRAMEDIA PUSTAKA UTAMA, 2009. Text.