Mayall, James
Cambridge University Press, 1990
Buku Teks
Costa, Horacio La de
Solidaridad Publishing House, 1965
Buku Teks
edited by Stephen Barbour and Cathie Carmichael
Oxford University Press, 2000
Buku Teks
Deutsch, Karl Wolfgang, 1912-1992
MIT Press, 1972
Buku Teks
Eun Kyung Kim
OMNES, 2018
Artikel Jurnal