Athens, Lonnie H
Routledge, 1989
Buku Teks
edited by Nicky Stanley; Jill Manthorpe and Bridget Penhale
Routledge, 1999
Buku Teks
Sage Publications, 2009
eBooks
Sutherland, Edwin H., author
Lippincott Company, 1960
Buku Teks
Bonger, Willem Adriaan, 1876-1940, author
Ghalia Indonesia, 1977
Buku Teks