Gaya APA

Walas, J, R, C, W, R, P, J, R, F, S, M. (2012). Chemical Process Equipment: Selection and Design (2). Oxford, USA: Elsevier.

Gaya MLA

Walas, James, R., Couper., W., Roy, Penney,, James, R., Fair,, Stanley, M.. "Chemical Process Equipment: Selection and Design". 2 Oxford, USA: Elsevier, 2012. Text.