APA Style

Wilson, W, ;, B, R. (). Fifty-Fifty Intro : A Speaking and Listening Cource, Teacher's Edition . : Pearson Education Asia Limited, Hongkong. 2007.

MLA Style

Wilson, Warren, ;, Barnard,, Roger. "Fifty-Fifty Intro : A Speaking and Listening Cource, Teacher's Edition". : Pearson Education Asia Limited, Hongkong. 2007, . BOOK.