Engels ,J M M et al. (2002). Managing plant genetic diversity. CABI Publishing.
Chicago Style aipamenaEngels ,J M M et al. Managing Plant Genetic Diversity. UK: CABI Publishing, 2002.
MLA aipamenaEngels ,J M M et al. Managing Plant Genetic Diversity. CABI Publishing, 2002.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.