Friedenberg, Jay
Sage, 2006
Buku Teks SO
Sun, Ron
Oxford University Press, 2016
eBooks
edited by William Bechtel and George Graham
Blackwell, 1999
Buku Teks SO
edited by William Bechtel and George Graham
Blackwell, 1999
Buku Teks SO
Solso, Robert L., 1933-
Allyn and Bacon, 2001
Buku Teks