Bass, Bernard M., editor
Allyn and Bacon, 1979
Buku Teks
Bass, Bernard M., editor
Allyn and Bacon, 1979
Buku Teks
Schein, Edgar H.
Prentice Hall of India, 1979
Buku Teks
Riggio, Ronald E.
Pearson, 2009
Buku Teks
Gilmer, B. von Haller (Beverly von Haller), 1909-1994
McGraw-Hill, 1977
Buku Teks