Gibilisco, Stan, 1953-, author
McGraw-Hill, 2007
Buku Teks
Wendy Brown ... [and others] ; edited by Jonathan Ling
Longman Singapore Publishers, 1995
Buku Teks
Honerkamp, Josef, author
Springer, 2012
eBooks
Nelkon, M.
Heineman Educational, 1962
Buku Teks
Brown, Larry Dale, author
Research and Education Association, 1994
Buku Teks