Dyfyniad APA

Harrison, L. L., & Title McGraw-Hill environmental auditing handbook. (1997). Supplement to the environmental, health, and safety auditing handbook. McGraw-Hill.

Dyfyniad Arddull Chicago

Harrison, L. Lee, and Title McGraw-Hill environmental auditing handbook. Supplement to the Environmental, Health, and Safety Auditing Handbook. New York: McGraw-Hill, 1997.

Dyfyniad MLA

Harrison, L. Lee, and Title McGraw-Hill environmental auditing handbook. Supplement to the Environmental, Health, and Safety Auditing Handbook. McGraw-Hill, 1997.

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