Weber, Max, 1864-1920, author
New York,N.Y. Free Press 1964,
Buku Teks
edited by, Jan J. Loubser ...[et al.].
The Free Press, 1976
Buku Teks
edited by, Jan J. Loubser ...[et al.].
The Free Press, 1976
Buku Teks
Wearne, Bruce E.
Cambridge Cambridge University Press 1989,
Buku Teks
Soerjono Soekanto, author
Rajawali , 1986
Buku Teks