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doi.org
Czyż (Aralık 2016). "Participation in Team Sports Can Eliminate the Effect of Social Loafing". Perceptual and Motor Skills. 123 (3): 754-768. doi:10.1177/0031512516664938. PMID27555367.
nih.gov
ncbi.nlm.nih.gov
Czyż (Aralık 2016). "Participation in Team Sports Can Eliminate the Effect of Social Loafing". Perceptual and Motor Skills. 123 (3): 754-768. doi:10.1177/0031512516664938. PMID27555367.
web.archive.org
Ringelmann, M. (1913) "Recherches sur les moteurs animés: Travail de l'homme" [Research on animate sources of power: The work of man], Annales de l'Institut National Agronomique, 2nd series, vol. 12, pages 1-40. Available on-line (in French) at: http://gallica.bnf.fr/ark:/12148/bpt6k54409695.image.f14.langEN 14 Mayıs 2019 tarihinde Wayback Machine sitesinde arşivlendi.