Dyfyniad APA

Harrison, L. (1996). Environmental Health and Safety Auditing handbook (2nd.). McGraw-Hill.

Dyfyniad Arddull Chicago

Harrison, Lee. Environmental Health and Safety Auditing Handbook. 2nd. New York: McGraw-Hill, 1996.

Dyfyniad MLA

Harrison, Lee. Environmental Health and Safety Auditing Handbook. 2nd. McGraw-Hill, 1996.

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