The Open University, 1997
Buku Teks
Wei, Dan, author
Springer, 2012
eBooks
Jeffrey I. Cohen, Diane e. Griffin, Robert A. Lamb, Malcom a. Martin. Vincent R. Racaniello, Bernard Roizman
Wolters Kluwer, 2013
Buku Teks
Webb, James, author
Bantam Books, 2001
Buku Teks
Wangsness, Roald K., author
John Wiley & Sons, 1979
Buku Teks