Seckler-Hudson, Catheryn
Washington, D.C., The American University Press
Buku Teks
Brown, Warren B.
John Wiley & Sons, 1980
Buku Teks
Raczkowski, Konrad
Springer International Publishing, 2016
eBooks
Shortell, Stephen Michael, 1944-
John Wiley & Sons, 1988
Buku Teks
Shortell, Stephen Michael, 1944-
John Wiley & Sons, 1983
Buku Teks