Gaya APA

Anderson, A, S, F, L, A, W, C, W, C, L, M, L, B. (1980). Principles of Unit Operations (2). Canada: John Wiley & Sons, Inc.

Gaya MLA

Anderson, Alan, S., Foust,, Leonard, A., Wenzel,, Curtis, W., Clump,, Louis, Maus,, L., Bryce. "Principles of Unit Operations". 2 Canada: John Wiley & Sons, Inc, 1980. Text.