National Institute of Agricultural Botany (Great Britain). (2008). Plant Genetic Resources. Cambridge University Press.
Chicago-referens (17:e uppl.)National Institute of Agricultural Botany (Great Britain). Plant Genetic Resources. Cambridge, Inglaterra: Cambridge University Press, 2008.
MLA-referens (8:e uppl.)National Institute of Agricultural Botany (Great Britain). Plant Genetic Resources. Cambridge University Press, 2008.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.