Dyfyniad APA

WHO. (1995). WHO export committee on biological standardization. Geneva.

Dyfyniad Arddull Chicago

WHO. WHO Export Committee on Biological Standardization. Geneva, 1995.

Dyfyniad MLA

WHO. WHO Export Committee on Biological Standardization. Geneva, 1995.

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