Cita APA (7th ed.)

ebrary, Inc, & Carillo, F. J. (2006). Knowledge cities 2006. Emerald Group Publishing.

Cita Chicago (17th ed.)

ebrary, Inc, i Francisco Javier Carillo. Knowledge Cities 2006. Bradford, England: Emerald Group Publishing, 2006.

Cita MLA (9th ed.)

ebrary, Inc, i Francisco Javier Carillo. Knowledge Cities 2006. Emerald Group Publishing, 2006.