Wrightsman, Lawrence S.
Wadsworth/Thomson Learning, 2001
Buku Teks SO
Arrigo, Bruce A.
San diego, 2003
Buku Teks SO
Elena L. Grigorenko, editor
[Springer;, ], 2012
eBooks
Grover Maurice Godwin, editor
CRC press, 2001
Buku Teks
BPS Blackwell, 2012
Buku Teks SO