Taylor and Francis, 1997
Buku Teks
Seidman, Lisa A., author
Prentice-Hall, 2000
Buku Teks
Thomas G.M. Schalkhammer, editor
Birkhauser, 2002
Buku Teks
Sobti, R.C., author
CRC Press, Taylor & Francis Group, 2009
Buku Teks
edited by Martin Fransman, Gerd Junne and Annemieke Roobeek
Blackwell, 1995
Buku Teks