Frankel, O. H. (1975). Crop genetic resources for today and tomorrow. CUP.
Chicago Style aipamenaFrankel, O. H. Crop Genetic Resources for Today and Tomorrow. London: CUP, 1975.
MLA aipamenaFrankel, O. H. Crop Genetic Resources for Today and Tomorrow. CUP, 1975.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.