edited by Ian Qusby

Cambridge University Press, 1988

 Buku Referensi

editor, James R. Brandon

Cambridge Unipersity Press, 1993

 Buku Referensi

Peters, Pam

Cambridge University Press, 2006

 Buku Referensi

edited by Ian Ousby

Cambridge University Press, 1993

 Buku Referensi

editor, Kenneth F. Kiple ; executive editor, Rachael Rockwell Graham ; associate editors, David Frey [and others] ; assistant editors, Alicia Browne [and others]

Cambridge University Press, 1995

 Buku Referensi