Barnum, S. R. (2005). Biotechnology an introduction (2.).
Chicago Style aipamenaBarnum, Susan R. Biotechnology an Introduction. 2. Australia, Thomson Books Cole, 2005.
MLA aipamenaBarnum, Susan R. Biotechnology an Introduction. 2. 2005.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.