Auersperg, A. M. I., Kacelnik, A., & Bayern, A. M. P. v. (2013). Explorative learning and functional inferences on a five-step means-means-end problem in Goffin's cockatoos (Cacatuagoffini). PLoS ONE, 8(7), e68979. https://doi.org/10.1371/journal.pone.0068979&type=printable
Chicago-referens (17:e uppl.)Auersperg, Alice M I., Alex Kacelnik, och Auguste M P von Bayern. "Explorative Learning and Functional Inferences on a Five-step Means-means-end Problem in Goffin's Cockatoos (Cacatuagoffini)." PLoS ONE 8, no. 7 (2013): e68979. https://doi.org/10.1371/journal.pone.0068979&type=printable.
MLA-referens (9:e uppl.)Auersperg, Alice M I., et al. "Explorative Learning and Functional Inferences on a Five-step Means-means-end Problem in Goffin's Cockatoos (Cacatuagoffini)." PLoS ONE, vol. 8, no. 7, 2013, p. e68979, https://doi.org/10.1371/journal.pone.0068979&type=printable.
