Cita APA (7th ed.)

Cross Rob & Andrew Parker. (2004). Hidden Power of Social Networks. HBSP.

Cita Chicago (17th ed.)

Cross Rob i Andrew Parker. Hidden Power of Social Networks. U.S.A: HBSP, 2004.

Cita MLA (9th ed.)

Cross Rob i Andrew Parker. Hidden Power of Social Networks. HBSP, 2004.