Dyfyniad APA

Wark, K., Davis, W. T., & Warner, C. F. (1998). Air pollution: Its origin and control (3rd ed.). Addison-Wesley.

Dyfyniad Arddull Chicago

Wark, Kenneth, Wayne T. Davis, and Cecil F. Warner. Air Pollution: Its Origin and Control. 3rd ed. Menlo Park, California: Addison-Wesley, 1998.

Dyfyniad MLA

Wark, Kenneth, et al. Air Pollution: Its Origin and Control. 3rd ed. Addison-Wesley, 1998.

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