Morales, Armando
Allyn and Bacon, 1977
Buku Teks
Shore, Cecilia M.
Pearson, 2004
Buku Teks
edited by Clay Wescott, Bidhya Bowornwathana, Lawrence R. Jones
Emerald Group Pub., 2009
Buku Teks
edited by John Zukowsky ; with contributions by Kennie Anne Laney-Lupton, Wojciech Lesnikowski, and John Zukowsky
Prestel-Verlag, 1994
Buku Teks
Josine Junger-Tas
Springer, 2012
eBooks