Dyfyniad APA

ALLEN, D. T., & ROSSELOT, K. S. (1997). Pollution prevention for chemical processes. John Wiley and Sons.

Dyfyniad Arddull Chicago

ALLEN, David T., and Kirsten Sinclair ROSSELOT. Pollution Prevention for Chemical Processes. New York: John Wiley and Sons, 1997.

Dyfyniad MLA

ALLEN, David T., and Kirsten Sinclair ROSSELOT. Pollution Prevention for Chemical Processes. John Wiley and Sons, 1997.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.