Instituto Brasileiro de Informação em Ciência e Tecnologia

Παραπομπή σε μορφή APA (7η εκδ.)

Não informado. (1988). Plant Varieties & Seeds. National Institute of Agriculture.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Não informado. Plant Varieties & Seeds. Cambridge, Inglaterra: National Institute of Agriculture, 1988.

Παραπομπή σε μορφή MLA (8th εκδ.)

Não informado. Plant Varieties & Seeds. National Institute of Agriculture, 1988.