Harrison, F., Sciberras, J., & James, R. (2011). Strength of social tie predicts cooperative investment in a human social network. Public Library of Science.
Lua i Stíl Chicago (17ú heag.)Harrison, F., J. Sciberras, agus R. James. Strength of Social Tie Predicts Cooperative Investment in a Human Social Network. Public Library of Science, 2011.
Lua MLA (9ú heag.)Harrison, F., et al. Strength of Social Tie Predicts Cooperative Investment in a Human Social Network. Public Library of Science, 2011.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.