Não informado. (1967). Agricultural Research Guyana. National Agricultural Research Institute.
Chicagoスタイル(17版)引用形式Não informado. Agricultural Research Guyana. Mon Repos, Guiana: National Agricultural Research Institute, 1967.
MLA(8版)引用形式Não informado. Agricultural Research Guyana. National Agricultural Research Institute, 1967.
警告: この引用は必ずしも正確ではありません.