Não informado. (2004). Journal of Agriculture and Environment for International Development. Istituto Agronomico per l' Otremare.
Παραπομπή σε μορφή Chicago (17η εκδ.)Não informado. Journal of Agriculture and Environment for International Development. Florence, Italia: Istituto Agronomico per l' Otremare, 2004.
Παραπομπή σε μορφή MLA (8th εκδ.)Não informado. Journal of Agriculture and Environment for International Development. Istituto Agronomico per l' Otremare, 2004.
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