Vroom, Victor H.
John Wiley & Sons, 1964
Buku Teks
Pinder, Craig C., author
Psychology Press, Taylor & Francis Group, 2008
Buku Teks
Steers, Richard M., compiler
McGraw-Hill , 1983
Buku Teks
Steers, Richard M., compiler
McGraw-Hill, 1991
Buku Teks
Lawler, Edwar E.
Brooks/Cole, 1973
Buku Teks