Dyfyniad APA
ebrary, Inc, Wegman, D. H., & McGee, J. (2004). Health and safety needs of older workers. National Academies Press.
Dyfyniad Arddull Chicago
ebrary, Inc, David H. Wegman, and J. McGee. Health and Safety Needs of Older Workers. Washington, D.C.: National Academies Press, 2004.
Dyfyniad MLA
ebrary, Inc, et al. Health and Safety Needs of Older Workers. National Academies Press, 2004.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.