Urdahl, A. M., Alvseike, O., Skjerve, E., & Wasteson, Y. (2001). Shiga toxin genes (stx) in Norwegian sheep herds. Cambridge University Press.
Chicago Style aipamenaUrdahl, A. M., O. Alvseike, E. Skjerve, and Y. Wasteson. Shiga Toxin Genes (stx) in Norwegian Sheep Herds. Cambridge University Press, 2001.
MLA aipamenaUrdahl, A. M., O. Alvseike, E. Skjerve, and Y. Wasteson. Shiga Toxin Genes (stx) in Norwegian Sheep Herds. Cambridge University Press, 2001.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.