Cita APA (7a ed.)

Pettorino, M. (2010). Spoken communication. Cambridge Scholars.

Cita Chicago Style (17a ed.)

Pettorino, Massimo. Spoken Communication. Newcastle upon Tyne: Cambridge Scholars, 2010.

Cita MLA (9a ed.)

Pettorino, Massimo. Spoken Communication. Cambridge Scholars, 2010.