Hinrichs, John R., author
American Management Association, 1966
Buku Teks
edited by Wendell L. French and Don Hellriegel
Houghton Mifflin, 1971
Buku Teks
Metzger, Norman
Spectrum Publication, 1975
Buku Teks
French, Wendell
Houghton Mifflin, 1974
Buku Teks
Chruden, Herbert J., author
South-Western, 1966
Buku Teks