Merriam, Robert E. (Robert Edward), 1918-, author
Harper & Brothers, 1957
Buku Teks
Brundage, Anthony, 1938-, author
John Wiley & Sons, Inc., 2018
Buku Teks
Ruffa, Stephen A., 1961- , author
American Management Association, 2011
eBooks
Timmerman, Kelsey, author
Wiley, 2014
Buku Teks
Simmie, James M., author
Hutchinson, 1974
Buku Teks