Não informado. (1951). Journal of the Agricultural Society of Trinidad and Tobago. Agricultural Society of Trinidad and Tobago.
Chicago-viite (17. p.)Não informado. Journal of the Agricultural Society of Trinidad and Tobago. Port of Spain: Agricultural Society of Trinidad and Tobago, 1951.
MLA-viite (8. p.)Não informado. Journal of the Agricultural Society of Trinidad and Tobago. Agricultural Society of Trinidad and Tobago, 1951.
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