Gaya APA

Dean, S., Zwier, L, J. (2003). The English You Need For The Office : A Picture Process Vocabulary . Hongkong: Asia Pasific Press Holding Ltd.

Gaya MLA

Dean, Susan., Zwier, Lawrence, J. "The English You Need For The Office : A Picture Process Vocabulary". Hongkong: Asia Pasific Press Holding Ltd, 2003. Text.