Holden, J. H. W. (1984). Crop genetic resources: Conservation and evaluation. George Allen And Unkin.
Chicago Style aipamenaHolden, J H W. Crop Genetic Resources: Conservation and Evaluation. Boston: George Allen And Unkin, 1984.
MLA aipamenaHolden, J H W. Crop Genetic Resources: Conservation and Evaluation. George Allen And Unkin, 1984.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.