WHO. (1992). Our planet, our health. Genève: WHO.
Trích dẫn kiểu ChicagoWHO. Our Planet, Our Health. Genève: WHO, 1992.
MLA CitationWHO. Our Planet, Our Health. Genève: WHO, 1992.
Advarsel: Disse citationer er muligvist ikke 100% nøjagtige.
APA Citation