APA (7e ed.) Bronvermelding

Não informado. (1967). Agricultural Research Guyana. National Agricultural Research Institute.

Chicago (17e ed.) Bronvermelding

Não informado. Agricultural Research Guyana. Mon Repos, Guiana: National Agricultural Research Institute, 1967.

MLA (8e ed.) Bronvermelding

Não informado. Agricultural Research Guyana. National Agricultural Research Institute, 1967.

Let op: Deze citaties zijn niet altijd 100% accuraat.