Dyfyniad APA

Bishop, P. L. (2000). Pollution prevention: Fundamentals and practice. Boston: McGraw-Hill.

Dyfyniad Arddull Chicago

Bishop, Paul L. Pollution Prevention: Fundamentals and Practice. Boston: McGraw-Hill, 2000.

Dyfyniad MLA

Bishop, Paul L. Pollution Prevention: Fundamentals and Practice. Boston: McGraw-Hill, 2000.

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