APA-referens (7:e uppl.)

Gruber, T., Frick, A., Hirata, S., Adachi, I., & Biro, D. (2019). Spontaneous categorization of tools based on observation in children and chimpanzees. Scientific Reports, 9(1), . https://doi.org/10.1038/s41598-019-54345-1

Chicago-referens (17:e uppl.)

Gruber, Thibaud, Aurélien Frick, Satoshi Hirata, Ikuma Adachi, och Dora Biro. "Spontaneous Categorization of Tools Based on Observation in Children and Chimpanzees." Scientific Reports 9, no. 1 (2019). https://doi.org/10.1038/s41598-019-54345-1.

MLA-referens (9:e uppl.)

Gruber, Thibaud, et al. "Spontaneous Categorization of Tools Based on Observation in Children and Chimpanzees." Scientific Reports, vol. 9, no. 1, 2019, https://doi.org/10.1038/s41598-019-54345-1.

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