Dyfyniad APA

National Safety Council. (2005). Basic First AID. McGraw-Hill Higher Education.

Dyfyniad Arddull Chicago

National Safety Council. Basic First AID. New York, NY: McGraw-Hill Higher Education, 2005.

Dyfyniad MLA

National Safety Council. Basic First AID. McGraw-Hill Higher Education, 2005.

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