Brucker, Herbert, author
Oxford University Press, 1973
Buku Teks
Flynn, Norman, author
Harvester, 1990
Buku Teks
Jones, Rowan, author
Financial Times Prentice Hall, 2010
Buku Teks
Starling, Grower
Wadsworth and Cengage Learning, 2011
Buku Teks
Dooren, Wouter van, author
Routledge, 2015
Buku Teks