Dewey, John
Mentor Book, 1955
Buku Teks
Glock, Hans-Johann, 1960-
Cambridge University Press, 2013
Buku Teks
edited and with an introduction by Whitney J. Oates
Random House, 1940
Buku Teks
Alois Wielacher
Iudicium, 1996
Buku Teks
Franz Magnis-Suseno
Gramedia Pustaka Utama, 2016
Buku Teks SO