Dyfyniad APA

(1967). Professional Registered Nurses in the United States and California, 1962—Report of the Bureau of Research and Planning.

Dyfyniad Arddull Chicago

Professional Registered Nurses in the United States and California, 1962—Report of the Bureau of Research and Planning. 1967.

Dyfyniad MLA

Professional Registered Nurses in the United States and California, 1962—Report of the Bureau of Research and Planning. 1967.

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