Frankel, O. H., & Hawkes, J. G. (1975). Crop genetic resources for today and tomorrow. Cambridge university press.
Chicago Edition CitationFrankel, O H., i J G. Hawkes. Crop Genetic Resources for Today and Tomorrow. London: Cambridge university press, 1975.
Cita MLAFrankel, O H., i J G. Hawkes. Crop Genetic Resources for Today and Tomorrow. Cambridge university press, 1975.
Atenció: Aquestes cites poden no estar 100% correctes.