Singleton, Andrew, author
SAGE, 2014
Buku Teks
Weber, Max, 1864-1920, author
Beacon Press , 1963
Buku Teks
Schraf, Betty R
Tiara Wacana Yogya, 1995
Buku Teks
Turner, Bryan S., author
Sage, 1983
Buku Teks
Demerath, N. J. (Nicholas Jay), 1936-, author
Random House, 1969
Buku Teks