Bass, Bernard M.
Allyn and Bacon, 1979
Buku Teks SO
Bass, Bernard M.
Allyn and Bacon, 1979
Buku Teks SO
Schein, Edgar H.
Prentice Hall of India, 1979
Buku Teks
edited by Pieter J.D. Drenth, Henk Thierry, Charles J. de Wolff
Routledge, 1998
Buku Referensi
Wexley, Kenneth N.
Irwin, 1984
Buku Referensi