Dyfyniad APA
ebrary, Inc, Durch, J., & Lohr, K. N. (1993). Emergency medical services for children. National Academy Press.
Dyfyniad Arddull Chicago
ebrary, Inc, Jane Durch, and Kathleen N. Lohr. Emergency Medical Services for Children. Washington, D.C.: National Academy Press, 1993.
Dyfyniad MLA
ebrary, Inc, et al. Emergency Medical Services for Children. National Academy Press, 1993.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.