Keiser, Norman F., author
John Wiley & Sons, 1964
Buku Teks
Leopold, Richard W., author
Alfred A. Knopf, 1962
Buku Teks
Phillips, Patricia Pulliam, author
[American Society for Training & Development Press;, ], 2003
eBooks
Kreinin, Mordechai Elihau, author
Harcourt Brace Jovanovich, c1971
Buku Teks
Kreinin, Mordechai Elihau, author
Harcourt Brace Jovanovich, 1975
Buku Teks