edited by Elizabeth Marting
American Management Association, 1957
Buku Teks
edited by Tina C. Ambos, Bjorn Ambos, Julian Biekinshaw
Emerald, 2016
eBooks
O`Donnell, Paul D., author
Prentice-Hall, 1952
Buku Teks
Niece, E.H. Mac, author
John Wiley & Sons, 1961; 1957
Buku Teks
Roscoe, Edwin Scott, author
Richard D. Irwin, 1955
Buku Teks