Cita APA

OMS. (2001). Environmental health criteria; N.221: Zinc. Geneva: OMS.

Chicago Style Citation

OMS. Environmental Health Criteria; N.221: Zinc. Geneva: OMS, 2001.

Cita MLA

OMS. Environmental Health Criteria; N.221: Zinc. Geneva: OMS, 2001.

Atenció: Aquestes cites poden no estar 100% correctes.