Harrison, F., Sciberras, J., & James, R. (2011). Strength of social tie predicts cooperative investment in a human social network. Public Library of Science.
Čikaški stil citiranja (17. izdanje)Harrison, F., J. Sciberras, i R. James. Strength of Social Tie Predicts Cooperative Investment in a Human Social Network. Public Library of Science, 2011.
MLA način citiranja (9. izdanje)Harrison, F., et al. Strength of Social Tie Predicts Cooperative Investment in a Human Social Network. Public Library of Science, 2011.
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