edited by Michael Bentley
London Routledge 1997,
Buku Teks
edited, Rebecca Bushnell
Blackwell Publishing, 2005
Buku Teks SO
Diane Long Hoeveler and Deborah Denenholz Morse, editors
Wiley Balckwell, 2016
Buku Teks SO
Halliwell, Leslie
HarperResource, 1976
Buku Teks SO
edited by Peter Singer
Blackwell, 1990
Buku Teks SO