Dyfyniad APA

WHO. (1995). WHo expert committee on drug dependence. Geneva.

Dyfyniad Arddull Chicago

WHO. WHo Expert Committee on Drug Dependence. Geneva, 1995.

Dyfyniad MLA

WHO. WHo Expert Committee on Drug Dependence. Geneva, 1995.

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