Dyfyniad APA

Lund, H. F. (2001). The McGraw-Hill recycling handbook (Second edition.). McGraw-Hill.

Dyfyniad Arddull Chicago

Lund, Herbert F. The McGraw-Hill Recycling Handbook. Second edition. New York: McGraw-Hill, 2001.

Dyfyniad MLA

Lund, Herbert F. The McGraw-Hill Recycling Handbook. Second edition. McGraw-Hill, 2001.

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