Dyfyniad APA

National Safety Council. Pediatric first aid, CPR, and AED. Dubuque, IA: McGraw-Hill Companies.

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National Safety Council. Pediatric First Aid, CPR, and AED. Dubuque, IA: McGraw-Hill Companies.

Dyfyniad MLA

National Safety Council. Pediatric First Aid, CPR, and AED. Dubuque, IA: McGraw-Hill Companies.

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