Bell, Judith
Open University Press, 1993
Buku Teks
Weber, Max, 1864-1920
Transaction Publishers, 2011
Buku Teks
Berg, Bruce L. (Bruce Lawrence), 1954-
Allyn and Bacon, 1989
Buku Teks
Berg, Bruce L. (Bruce Lawrence), 1954-
Pearson, 2014
Buku Teks
Bell, Judith
McGraw-Hill Education, 2014
Buku Teks