Schapiro, J. Salwyn
Houghton Miffiln, 1953
Buku Teks
Stock, Wolfgang Jean
Prestel, 2006
Buku Teks
edited by Iain Boyd Whyte
Routledge, Taylor & Francis Group, 2003
Buku Teks
Salazar, Jaime, 1964-, author
Birkhauser, 1999
Buku Teks
Follett, ken, author
Pan Books, 2014
Buku Teks