Johansson, Niklas; Zlatev, Jordan (1 January 1970). "Motivations for Sound Symbolism in Spatial Deixis: A Typological Study of 101 Languages". Public Journal of Semiotics. 5 (1): 3–20. doi:10.37693/pjos.2013.5.9668.
Nichols, Johanna; Peterson, David A. (June 1996). "The Amerind Personal Pronouns". Language. 72 (2): 336. doi:10.2307/416653. JSTOR416653.
Bremner, Andrew J.; Caparos, Serge; Davidoff, Jules; de Fockert, Jan; Linnell, Karina J.; Spence, Charles (February 2013). ""Bouba" and "Kiki" in Namibia? A remote culture make similar shape–sound matches, but different shape–taste matches to Westerners". Cognition. 126 (2): 165–172. doi:10.1016/j.cognition.2012.09.007. PMID23121711. S2CID27805778.
Ćwiek, Aleksandra; Fuchs, Susanne; Draxler, Christoph; Asu, Eva Liina; Dediu, Dan; Hiovain, Katri; Kawahara, Shigeto; Koutalidis, Sofia; Krifka, Manfred; Lippus, Pärtel; Lupyan, Gary; Oh, Grace E.; Paul, Jing; Petrone, Caterina; Ridouane, Rachid; Reiter, Sabine; Schümchen, Nathalie; Szalontai, Ádám; Ünal-Logacev, Özlem; Zeller, Jochen; Perlman, Marcus; Winter, Bodo (3 January 2022). "The bouba/kiki effect is robust across cultures and writing systems". Philosophical Transactions of the Royal Society B: Biological Sciences. 377 (1841): 20200390. doi:10.1098/rstb.2020.0390. ISSN0962-8436. PMC8591387. PMID34775818. S2CID244103844.
Bremner, Andrew J.; Caparos, Serge; Davidoff, Jules; de Fockert, Jan; Linnell, Karina J.; Spence, Charles (February 2013). ""Bouba" and "Kiki" in Namibia? A remote culture make similar shape–sound matches, but different shape–taste matches to Westerners". Cognition. 126 (2): 165–172. doi:10.1016/j.cognition.2012.09.007. PMID23121711. S2CID27805778.
Ćwiek, Aleksandra; Fuchs, Susanne; Draxler, Christoph; Asu, Eva Liina; Dediu, Dan; Hiovain, Katri; Kawahara, Shigeto; Koutalidis, Sofia; Krifka, Manfred; Lippus, Pärtel; Lupyan, Gary; Oh, Grace E.; Paul, Jing; Petrone, Caterina; Ridouane, Rachid; Reiter, Sabine; Schümchen, Nathalie; Szalontai, Ádám; Ünal-Logacev, Özlem; Zeller, Jochen; Perlman, Marcus; Winter, Bodo (3 January 2022). "The bouba/kiki effect is robust across cultures and writing systems". Philosophical Transactions of the Royal Society B: Biological Sciences. 377 (1841): 20200390. doi:10.1098/rstb.2020.0390. ISSN0962-8436. PMC8591387. PMID34775818. S2CID244103844.
Bremner, Andrew J.; Caparos, Serge; Davidoff, Jules; de Fockert, Jan; Linnell, Karina J.; Spence, Charles (February 2013). ""Bouba" and "Kiki" in Namibia? A remote culture make similar shape–sound matches, but different shape–taste matches to Westerners". Cognition. 126 (2): 165–172. doi:10.1016/j.cognition.2012.09.007. PMID23121711. S2CID27805778.
Ćwiek, Aleksandra; Fuchs, Susanne; Draxler, Christoph; Asu, Eva Liina; Dediu, Dan; Hiovain, Katri; Kawahara, Shigeto; Koutalidis, Sofia; Krifka, Manfred; Lippus, Pärtel; Lupyan, Gary; Oh, Grace E.; Paul, Jing; Petrone, Caterina; Ridouane, Rachid; Reiter, Sabine; Schümchen, Nathalie; Szalontai, Ádám; Ünal-Logacev, Özlem; Zeller, Jochen; Perlman, Marcus; Winter, Bodo (3 January 2022). "The bouba/kiki effect is robust across cultures and writing systems". Philosophical Transactions of the Royal Society B: Biological Sciences. 377 (1841): 20200390. doi:10.1098/rstb.2020.0390. ISSN0962-8436. PMC8591387. PMID34775818. S2CID244103844.