Ratledge, C., & Kristiansen , B. (2008). Basic biotechnology. Cambridge University Press.
Chicago Style aipamenaRatledge, Colin, and Bjorn Kristiansen. Basic Biotechnology. New Delhi: Cambridge University Press, 2008.
MLA aipamenaRatledge, Colin, and Bjorn Kristiansen. Basic Biotechnology. Cambridge University Press, 2008.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.