Archer, Margaret S., author
Cambridge University Press, 1996
eBooks
Thompson, John B., author
Polity Press , 1990
Buku Teks
Storey, John, 1950-, author
Prentice-Hall, 2000
Buku Teks
Kaplan, David, author
Pustaka Pelajar, 1999
Buku Teks
edited by Nil Ozcaglar-Toulouse, Diego Rinallo, Russell W. Belk
Emerald, 2017
eBooks