Mui, R., Haselgrove, M., Pearce, J., & Heyes, C. (2008). Automatic imitation in budgerigars. The Royal Society.
Chicago Style aipamenaMui, Rosetta, Mark Haselgrove, John Pearce, and Cecilia Heyes. Automatic Imitation in Budgerigars. The Royal Society, 2008.
MLA aipamenaMui, Rosetta, Mark Haselgrove, John Pearce, and Cecilia Heyes. Automatic Imitation in Budgerigars. The Royal Society, 2008.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.