Edited by Elam W. Nunnally, Catherine S. Chilman, Fred M. Cox
Sage Publications , 1988
Buku Teks
Smith, John M.
Institution of Engineering and Technology, 2007
eBooks
Steward, Elbert W
McGraw-Hill, 1972
Buku Teks
Lee, Chae-jin
John Hopkins University Press, 2006
Buku Teks
edited by Joseph P. Forgas and Julie Fitness
Psychology Press, 2008
Buku Teks SO