Dyfyniad APA

The National Institute of Health. Researcher's Associates. (1996). Vaccine handbook. Maruzen.

Dyfyniad Arddull Chicago

The National Institute of Health. Researcher's Associates. Vaccine Handbook. Tokyo: Maruzen, 1996.

Dyfyniad MLA

The National Institute of Health. Researcher's Associates. Vaccine Handbook. Maruzen, 1996.

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