Rapaport, L.G.; Brown, G.R. (2008). „Social influences on foraging behavior in young nonhuman primates:learning what, where and how to eat”. Evolutionary Anthropology: Issues, News, and Reviews. 17 (4): 189—201. S2CID86010867. doi:10.1002/evan.20180.
Murphy, Christina M.; Breed, Michael D. (2008-04-01). „Time-Place Learning in a Neotropical Stingless Bee, Trigona fulviventris Guérin (Hymenoptera: Apidae)”. Journal of the Kansas Entomological Society. 81 (1): 73—76. ISSN0022-8567. S2CID86256384. doi:10.2317/JKES-704.23.1.
Rapaport, L.G.; Brown, G.R. (2008). „Social influences on foraging behavior in young nonhuman primates:learning what, where and how to eat”. Evolutionary Anthropology: Issues, News, and Reviews. 17 (4): 189—201. S2CID86010867. doi:10.1002/evan.20180.
Murphy, Christina M.; Breed, Michael D. (2008-04-01). „Time-Place Learning in a Neotropical Stingless Bee, Trigona fulviventris Guérin (Hymenoptera: Apidae)”. Journal of the Kansas Entomological Society. 81 (1): 73—76. ISSN0022-8567. S2CID86256384. doi:10.2317/JKES-704.23.1.
Murphy, Christina M.; Breed, Michael D. (2008-04-01). „Time-Place Learning in a Neotropical Stingless Bee, Trigona fulviventris Guérin (Hymenoptera: Apidae)”. Journal of the Kansas Entomological Society. 81 (1): 73—76. ISSN0022-8567. S2CID86256384. doi:10.2317/JKES-704.23.1.