Lamarque, Peter
Blackwell Publishing, 2009
Buku Teks
edited by A. Phillips Griffiths
Cambridge University Press, 1984
Buku Teks
Stathis Psillos, Martin Curd, editor
Routledge, 2008
Buku Teks
Susana Nuccetelli, Ofelia Schutte, Otavio Bueno
Wiley, 2013
Buku Teks
edited by Brian Carr, Indira Mahalingam
Routledge, 1997
Buku Referensi