Cita APA (7th ed.)

World Health Organization & World Health Organization. Guidance values for human exposure limits.

Cita Chicago (17th ed.)

World Health Organization i World Health Organization. Guidance Values for Human Exposure Limits.

Cita MLA (8th ed.)

World Health Organization i World Health Organization. Guidance Values for Human Exposure Limits.

Atenció: Aquestes cites poden no estar 100% correctes.