Dyfyniad APA

(1981). Student workbook for multimedia standard first aid. The American National.

Dyfyniad Arddull Chicago

Student Workbook for Multimedia Standard First Aid. The American National, 1981.

Dyfyniad MLA

Student Workbook for Multimedia Standard First Aid. The American National, 1981.

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