Dyfyniad APA

Grundy, F. (1960). Preventive medicine and public health (4th ed.).

Dyfyniad Arddull Chicago

Grundy, Fred. Preventive Medicine and Public Health. 4th ed. 1960.

Dyfyniad MLA

Grundy, Fred. Preventive Medicine and Public Health. 4th ed. 1960.

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