WHO Commission on Health and Environment & World Health Organization. (1992). Our planet, our health. World Health Organization.
Cita Chicago (17th ed.)WHO Commission on Health and Environment i World Health Organization. Our Planet, Our Health. Geneva: World Health Organization, 1992.
Cita MLA (9th ed.)WHO Commission on Health and Environment i World Health Organization. Our Planet, Our Health. World Health Organization, 1992.
Atenció: Aquestes cites poden no estar 100% correctes.