Somers, Herman Milles, author
Brookings Institution, 1962
Buku Teks SO
edited Lewis E. Weeks, Howard J. Berman, Gerald E. Bisbee
Health Administration Press, 1979
Buku Teks
Boss, R. Wayne, author
Addison-Wesley, 1989
Buku Teks
Lyles, Richard I
John Wiley , 1986
Buku Teks
Hicks, Lanis L., author
Jones & Bartlett Learning, 2014
Buku Teks