Sturgeon, Noel, 1956-, author
Routledge, 1997
Buku Teks
Peters, Robert Henry
Cambridge University Press, 1983
Buku Teks
edited by Helmut Lieth, M.J.A. Werger and David W. Goodall
Elsevier, 1992
Buku Teks
edited by Martin Solan, Nia M. Whiteley
Oxford University Press, 2016
eBooks
Waite, Stephen, author
Prentice-Hall, 2000
Buku Teks