Gaya APA

Aitchison, M, L, D, J. (2003). Clueless In Marketing Communications . Singapura: Pearson Education South Asia Pte Ltd.

Gaya MLA

Aitchison, May, Lwin, Dan, Jim. "Clueless In Marketing Communications". Singapura: Pearson Education South Asia Pte Ltd, 2003. Text.