Dyfyniad APA

WHO. (1994). WHO expert committee on biological standardization. Geneva.

Dyfyniad Arddull Chicago

WHO. WHO Expert Committee on Biological Standardization. Geneva, 1994.

Dyfyniad MLA

WHO. WHO Expert Committee on Biological Standardization. Geneva, 1994.

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