Provost, Lloyd P., author
Jossey-Bass, 2011
Buku Teks
Dlugacz, Yosef D., author
Jossey-Bass, 2006
Buku Teks
Fabregas, Antonio, author
Edinburgh University Press, 2012
Buku Teks
Sebastian-Coleman, Laura., author
Morgan Kaufmann, 2013
Buku Teks
Lighter, Donald, author
Jones and Bartlett Publishers,, 2011
Buku Teks