World Health Organization & World Health Organization. Guidance values for human exposure limits.
Citazione stile Chigago Style (17a edizione)World Health Organization e World Health Organization. Guidance Values for Human Exposure Limits.
Citatione MLA (8a ed.)World Health Organization e World Health Organization. Guidance Values for Human Exposure Limits.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.