Não informado. (1967). Agricultural Research Guyana. National Agricultural Research Institute.
Style de citation Chicago (17e éd.)Não informado. Agricultural Research Guyana. Mon Repos, Guiana: National Agricultural Research Institute, 1967.
Style de citation MLA (8e éd.)Não informado. Agricultural Research Guyana. National Agricultural Research Institute, 1967.
Attention : ces citations peuvent ne pas être correctes à 100%.