Reynolds, Lloyd G., author
Richard D. Irwin, 1968
Buku Teks
Hague, Douglas C.
Longmans, Green and Co., 1955
Buku Teks
Cardenete, Manuel Alejandro, author
[Springer, ], 2012
eBooks
Patrick, Patrick, author
American Management Association, 2009
eBooks
Slavin, Stephen, author
Richard D. Irwin, 1991
Buku Teks