Lua APA (7ú heag.)

Bettencourt, L. M. A., Kaiser, D. I., Kaur, J., & Physics, M. I. o. T. D. o. (2009). Scientific discovery and topological transitions in collaboration networks. Elsevier.

Lua i Stíl Chicago (17ú heag.)

Bettencourt, Luis M. A., David I. Kaiser, Jasleen Kaur, agus Massachusetts Institute of Technology. Department of Physics. Scientific Discovery and Topological Transitions in Collaboration Networks. Elsevier, 2009.

Lua MLA (9ú heag.)

Bettencourt, Luis M. A., et al. Scientific Discovery and Topological Transitions in Collaboration Networks. Elsevier, 2009.

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