APA (7th ed.) Zitazioa
ebrary, Inc, & Smale, M. (2006). Valuing crop biodiversity: On-farm genetic resources and economic change. CABI Pub..
Chicago Style (17th ed.) Zitazioa
ebrary, Inc, eta Melinda Smale. Valuing Crop Biodiversity: On-farm Genetic Resources and Economic Change. Wallingford, UK ; Cambridge, MA: CABI Pub., 2006.
MLA (9th ed.) Zitazioa
ebrary, Inc, eta Melinda Smale. Valuing Crop Biodiversity: On-farm Genetic Resources and Economic Change. CABI Pub., 2006.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.