Não informado. (1951). Journal of the Agricultural Society of Trinidad and Tobago. Agricultural Society of Trinidad and Tobago.
Chicago-Zitierstil (17. Ausg.)Não informado. Journal of the Agricultural Society of Trinidad and Tobago. Port of Spain: Agricultural Society of Trinidad and Tobago, 1951.
MLA-Zitierstil (8. Ausg.)Não informado. Journal of the Agricultural Society of Trinidad and Tobago. Agricultural Society of Trinidad and Tobago, 1951.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.