Alexander, Jeffrey C., author
Polity Press, 2017
Buku Teks
Ha, Tae Hung, author
Yonsei University Press, 1972
Buku Teks
Ingold, Tim, 1948-, author
Routledge, 2016
Buku Teks
Warner, W. Lloyd, author
Yale University Press , 1955
Buku Teks
Blau, Peter M., author
John Wiley & Sons, 1964
Buku Teks