Harris, Andrew B.
Routledge, 1994
Buku Teks
edited by Don Rubin, Peter Nagy and Philippe Rouyer
Routledge, 2001
Buku Referensi
Stuart, E. Ross
Simon & Pierre, 1984
Buku Teks
Ryngaert, Jean-Pierre
Armond Colin, , 2007
Buku Teks
Routledge, 1995
Buku Teks