Gaya APA

Walas, J, R, C, W, R, P, J, R, F, S, M. (2010). Chemical Process Equipment (2). Oxford, US: Elsevier.

Gaya MLA

Walas, James, R., Couper,, W., Roy, Penney,, James, R., Fair,, Stanley, M.. "Chemical Process Equipment". 2 Oxford, US: Elsevier, 2010. Text.