Kelly, Gery F., author
McGraw-Hill, Higher Education, 2008
Buku Teks
edited by Peter Collins and David Blair
University of Queensland Press, 1989
Buku Teks
Crystal, David, 1941-, author
Cambridge University Press , 2007
Buku Teks
Christopher Alexander, Sara Ishikawa, Murray Silverstein, Max Jacobson, Ingrid Fiksdahl-King, Sholomo Angel
Oxford University Press, 1977
Buku Referensi
Queen, Robin M. (Robin Michelle), 1966-,
Wiley-Blackwell, 2015
Buku Teks