Gaya APA

Zaphiris, P., Ang, C, S. (2009). Human Computer Interaction: Concepts, Methodologies, Tools, and Applications . United States of America: Information Science Reference.

Gaya MLA

Zaphiris, Panayiotis., Ang, Chee, Siang. "Human Computer Interaction: Concepts, Methodologies, Tools, and Applications". United States of America: Information Science Reference, 2009. Text.