MacDonald Ross, G. (2009). Starting with Hobbes. Continuum.
Cita Chicago (17th ed.)MacDonald Ross, G. Starting with Hobbes. London ; New York: Continuum, 2009.
Cita MLA (9th ed.)MacDonald Ross, G. Starting with Hobbes. Continuum, 2009.
Atenció: Aquestes cites poden no estar 100% correctes.