edited by Robert D. Dean, William H. Leahy, and David L. McKee
Free Press, 1970
Buku Teks SO
Bish, Robert L.
Prentice-Hall, 1974
Buku Teks SO
Hirsch, Werner Z.
McGraw-Hill, 1973
Buku Teks SO
Ronan Paddison, Tom Hutton, editors
Sage, 2015
Buku Teks SO
Puu, Tonu
Springer, 1997
Buku Teks SO