Cita APA (7a ed.)
Leeuw, P. d. (1992). Potential environmental impacts. International Livestock Centre for Africa.
Cita Chicago Style (17a ed.)
Leeuw, P.N. de. Potential Environmental Impacts. International Livestock Centre for Africa, 1992.
Cita MLA (9a ed.)
Leeuw, P.N. de. Potential Environmental Impacts. International Livestock Centre for Africa, 1992.
Precaución: Estas citas no son 100% exactas.