APA (7th ed.) Zitazioa

(1978). Improved seed production: A manual on the formulation implementation and evaluation of seed programmes and projects. FAO.

Chicago Style (17th ed.) Zitazioa

Improved Seed Production: A Manual on the Formulation Implementation and Evaluation of Seed Programmes and Projects. Roma: FAO, 1978.

MLA (9th ed.) Zitazioa

Improved Seed Production: A Manual on the Formulation Implementation and Evaluation of Seed Programmes and Projects. FAO, 1978.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.