APA aipamena

van Raan, A. F. J. (2013). Universities Scale Like Cities. Public Library of Science.

Chicago Style aipamena

van Raan, Anthony F. J. Universities Scale Like Cities. Public Library of Science, 2013.

MLA aipamena

van Raan, Anthony F. J. Universities Scale Like Cities. Public Library of Science, 2013.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.