Dyfyniad APA

Boylston, R. P., Jr. (1990). Managing safety and health programs. Van Nostrand Reinhold.

Dyfyniad Arddull Chicago

Boylston, Raymond P., Jr. Managing Safety and Health Programs. New York: Van Nostrand Reinhold, 1990.

Dyfyniad MLA

Boylston, Raymond P., Jr. Managing Safety and Health Programs. Van Nostrand Reinhold, 1990.

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