(1978). Improved seed production: A manual on the formulation implementation and evaluation of seed programmes and projects. FAO.
Citazione stile Chigago Style (17a edizione)Improved Seed Production: A Manual on the Formulation Implementation and Evaluation of Seed Programmes and Projects. Roma: FAO, 1978.
Citatione MLA (9a ed.)Improved Seed Production: A Manual on the Formulation Implementation and Evaluation of Seed Programmes and Projects. FAO, 1978.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.