Não informado. (2001). World catalogue of genetic stocks. FAO, Plant Industry Branch.
Cita Chicago Style (17a ed.)Não informado. World Catalogue of Genetic Stocks. Washington: FAO, Plant Industry Branch, 2001.
Cita MLA (8a ed.)Não informado. World Catalogue of Genetic Stocks. FAO, Plant Industry Branch, 2001.
Precaución: Estas citas no son 100% exactas.