Cita APA (7th ed.)
(1955). Hydro-electricity and nature protection hydroelectricité et protection de la nature. IUCN.
Cita Chicago (17th ed.)
Hydro-electricity and Nature Protection Hydroelectricité Et Protection De La Nature. Paris: IUCN, 1955.
Cita MLA (9th ed.)
Hydro-electricity and Nature Protection Hydroelectricité Et Protection De La Nature. IUCN, 1955.
Atenció: Aquestes cites poden no estar 100% correctes.