The Manager of Publications, 1956
Buku Teks
Swanson, Robert M., author
South-Western Publ. , 1987
Buku Teks
Straub, Joseph T., author
American Management Association, 2000
eBooks
Tong, Keith S. T., author
Routledge, 1995
Buku Teks
Yarnell, Mark, 1950-, author
Three Rivers Press, 1998
Buku Teks