Food and Agriculture Organization of the United Nations. Plant Production and Protection Division. (1961). Agricultural and horticultural seeds: Their production,control and distribution. Food and Agriculture Organization of the United Nations.
Παραπομπή σε μορφή Chicago (17η εκδ.)Food and Agriculture Organization of the United Nations. Plant Production and Protection Division. Agricultural and Horticultural Seeds: Their Production,control and Distribution. Rome: Food and Agriculture Organization of the United Nations, 1961.
Παραπομπή σε μορφή MLA (8th εκδ.)Food and Agriculture Organization of the United Nations. Plant Production and Protection Division. Agricultural and Horticultural Seeds: Their Production,control and Distribution. Food and Agriculture Organization of the United Nations, 1961.