Mill, J.S.
Penguin Books, 1987
Buku Teks
Mill, John Stuart
E.P. Dutton and Company, 1955
Buku Teks
Nurul Annisa Hamudy, author
Badan Penelitian dan Pengembangan Kementerian Dalam Negeri, 2019
Artikel Jurnal
Nurul Annisa Hamudy, author
Artikel Jurnal
Crowther, Geoffrey
Thomas Nelson and Sons Ltd , 1949
Buku Teks