Não informado. (1975). Abstracts on tropical agriculture. Royal Tropical Institute.
Style de citation Chicago (17e éd.)Não informado. Abstracts on Tropical Agriculture. Amsterdam: Royal Tropical Institute, 1975.
Style de citation MLA (8e éd.)Não informado. Abstracts on Tropical Agriculture. Royal Tropical Institute, 1975.
Attention : ces citations peuvent ne pas être correctes à 100%.