Boesch C, Boesch H (1990). "Tool use and tool making in wild chimpanzees". Folia Primatologica; International Journal of Primatology. 54 (1–2): 86–99. doi:10.1159/000156428. PMID2157651.
Westergaard GC, Lundquist AL, Haynie MK, Kuhn HE, Suomi SJ (June 1998). "Why some capuchin monkeys (Cebus apella) use probing tools (and others do not)". Journal of Comparative Psychology. 112 (2): 207–211. doi:10.1037/0735-7036.112.2.207. PMID9642788.
Fujita K, Watanabe K, Widarto TH, Suryobroto B (1997). "Discrimination of macaques by macaques: The case of sulawesi species". Primates. 38 (3): 233–245. doi:10.1007/BF02381612. S2CID21042762.
Call J (June 2001). "Object permanence in orangutans (Pongo pygmaeus), chimpanzees (Pan troglodytes), and children (Homo sapiens)". Journal of Comparative Psychology. 115 (2): 159–171. doi:10.1037/0735-7036.115.2.159. PMID11459163.
Itakura S, Tanaka M (June 1998). "Use of experimenter-given cues during object-choice tasks by chimpanzees (Pan troglodytes), an orangutan (Pongo pygmaeus), and human infants (Homo sapiens)". Journal of Comparative Psychology. 112 (2): 119–126. doi:10.1037/0735-7036.112.2.119. PMID9642782.
Gouteux S, Thinus-Blanc C, Vauclair J (2001). "Rhesus monkeys use geometric and nongeometric information during a reorientation task". Journal of Experimental Psychology: General. 130 (3): 505–519. doi:10.1037/0096-3445.130.3.505. PMID11561924.
Anderson JR, Montant M, Schmitt D (August 1996). "Rhesus monkeys fail to use gaze direction as an experimenter-given cue in an object-choice task". Behavioural Processes. 37 (1): 47–55. doi:10.1016/0376-6357(95)00074-7. PMID24897158. S2CID19504558.
Byrne RW, Whiten A (June 1988). "Toward the next generation in data quality: A new survey of primate tactical deception". Behavioral and Brain Sciences. 11 (2): 267–273. doi:10.1017/S0140525X00049955. S2CID143667510.
Call J, Hare B, Carpenter M, Tomasello M (September 2004). "'Unwilling' versus 'unable': chimpanzees' understanding of human intentional action". Developmental Science. 7 (4): 488–498. doi:10.1111/j.1467-7687.2004.00368.x. PMID15484596.
Seyfarth RM, Cheney DL, Marler P (November 1980). "Monkey responses to three different alarm calls: evidence of predator classification and semantic communication". Science. 210 (4471): 801–803. Bibcode:1980Sci...210..801S. doi:10.1126/science.7433999. PMID7433999.
Seyfarth RM, Cheney DL (2010-04-26). "The Ontogeny of Vervet Monkey Alarm Calling Behavior: A Preliminary Report". Zeitschrift für Tierpsychologie. 54 (1): 37–56. doi:10.1111/j.1439-0310.1980.tb01062.x.
Seyfarth RM, Cheney DL, Marler P (November 1980). "Monkey responses to three different alarm calls: evidence of predator classification and semantic communication". Science. 210 (4471): 801–803. Bibcode:1980Sci...210..801S. doi:10.1126/science.7433999. PMID7433999.
Boesch C, Boesch H (1990). "Tool use and tool making in wild chimpanzees". Folia Primatologica; International Journal of Primatology. 54 (1–2): 86–99. doi:10.1159/000156428. PMID2157651.
Westergaard GC, Lundquist AL, Haynie MK, Kuhn HE, Suomi SJ (June 1998). "Why some capuchin monkeys (Cebus apella) use probing tools (and others do not)". Journal of Comparative Psychology. 112 (2): 207–211. doi:10.1037/0735-7036.112.2.207. PMID9642788.
Call J (June 2001). "Object permanence in orangutans (Pongo pygmaeus), chimpanzees (Pan troglodytes), and children (Homo sapiens)". Journal of Comparative Psychology. 115 (2): 159–171. doi:10.1037/0735-7036.115.2.159. PMID11459163.
Itakura S, Tanaka M (June 1998). "Use of experimenter-given cues during object-choice tasks by chimpanzees (Pan troglodytes), an orangutan (Pongo pygmaeus), and human infants (Homo sapiens)". Journal of Comparative Psychology. 112 (2): 119–126. doi:10.1037/0735-7036.112.2.119. PMID9642782.
Gouteux S, Thinus-Blanc C, Vauclair J (2001). "Rhesus monkeys use geometric and nongeometric information during a reorientation task". Journal of Experimental Psychology: General. 130 (3): 505–519. doi:10.1037/0096-3445.130.3.505. PMID11561924.
Anderson JR, Montant M, Schmitt D (August 1996). "Rhesus monkeys fail to use gaze direction as an experimenter-given cue in an object-choice task". Behavioural Processes. 37 (1): 47–55. doi:10.1016/0376-6357(95)00074-7. PMID24897158. S2CID19504558.
Call J, Hare B, Carpenter M, Tomasello M (September 2004). "'Unwilling' versus 'unable': chimpanzees' understanding of human intentional action". Developmental Science. 7 (4): 488–498. doi:10.1111/j.1467-7687.2004.00368.x. PMID15484596.
Seyfarth RM, Cheney DL, Marler P (November 1980). "Monkey responses to three different alarm calls: evidence of predator classification and semantic communication". Science. 210 (4471): 801–803. Bibcode:1980Sci...210..801S. doi:10.1126/science.7433999. PMID7433999.
Fujita K, Watanabe K, Widarto TH, Suryobroto B (1997). "Discrimination of macaques by macaques: The case of sulawesi species". Primates. 38 (3): 233–245. doi:10.1007/BF02381612. S2CID21042762.
Anderson JR, Montant M, Schmitt D (August 1996). "Rhesus monkeys fail to use gaze direction as an experimenter-given cue in an object-choice task". Behavioural Processes. 37 (1): 47–55. doi:10.1016/0376-6357(95)00074-7. PMID24897158. S2CID19504558.
Byrne RW, Whiten A (June 1988). "Toward the next generation in data quality: A new survey of primate tactical deception". Behavioral and Brain Sciences. 11 (2): 267–273. doi:10.1017/S0140525X00049955. S2CID143667510.