Dyfyniad APA

(1987). Encyclopedia of medical organizations and Agencies. Gale Research.

Dyfyniad Arddull Chicago

Encyclopedia of Medical Organizations and Agencies. Michigan: Gale Research, 1987.

Dyfyniad MLA

Encyclopedia of Medical Organizations and Agencies. Gale Research, 1987.

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