Dunbar, R. (2010). Why only humans have language. Oxford University Press.
Cita Chicago (17th ed.)Dunbar, R. Why Only Humans Have Language. Oxford University Press, 2010.
Cita MLA (9th ed.)Dunbar, R. Why Only Humans Have Language. Oxford University Press, 2010.
Atenció: Aquestes cites poden no estar 100% correctes.