Walker, James R.
University of Winconsin Press, 2018
Majalah, Jurnal, Buletin
Johnson, James A.
Southern Public Administration Education Foundation, Inc, 1990
Majalah, Jurnal, Buletin
Chruden, Herbert J.
South-Western, 1984
Buku Referensi
Gomez-Mejia, Luis R.
Prentice-Hall, 1995
Buku Teks SO
Gomez-Mejia, Luis R.
Pearson Education, 2016
Buku Teks