edited by Harold J. Leavitt and Louis R. Pondy
University of Chicago Press, 1964
Buku Teks
Smith, Henry Clay
McGraw-Hill , 1955
Buku Teks
Feinberg, Mortimer R.
Prentice-Hall, 1965
Buku Teks
McKenna, Eugene, author
Psychology Press, 2000
Buku Referensi
edited by Cary L. Cooper, James Campbell Quick, Marc J. Schabracq
John Wiley & Sons, 2009
Buku Teks