Gaya APA

Peck, G, A, &, T. (2001). 202 useful exercises for IELTS (International edition). Australia: Adams & Austen Press Pty. Ltd.

Gaya MLA

Peck, Garry, Adams, &, Terry. "202 useful exercises for IELTS". International edition Australia: Adams & Austen Press Pty. Ltd, 2001. Electronic Resource.