Berry, David M. (David Michael)
Polity Press, 2017
Buku Teks SO
Tokos, Sherry
Viking Canada, 2003
Buku Teks SO
Blackwell Publishing, 2004
Buku Teks SO
Nurmikko-Fuller, Terhi
Routledge, 2023
eBooks
Gardiner, Eileen
Cambridge University Press, 2015
Buku Teks SO