Roscoe, Lori A., author
Springer Nature, 2017
eBooks
Shannon, Thomas A., author
Gramedia Pustaka Utama, 1995
Buku Teks
Holland, Stephen, 1963-, author
Polity Press, 2017
Buku Teks
Beyleveld, Deryck, author
Oxford University Press, 2001
Buku Teks
Wiley Blackwell, 2012
Buku Teks