Mill, John Stuart
Colonial Press, 1898
Buku Klasik
Compiled by Kong Qiu, Meng Ke,Wan Zhang, Gongsun Cou; translated by Luo Zhiye
Southeast University Press, 2017
eBooks
Oxford Blackwell Publishers 1997,
Buku Teks
Luper, Steven
Mayfield Publishing Company, 1999
Buku Teks
Bahm, Archie J., author
Archie J. Bahm, 1985
Buku Teks