Jackson, Susan E., author
South Westh Western College, 2000
Buku Teks
Kahn, James R., author
Thomson, 2005
Buku Teks
edited by John E. Estes and Leslie W. Senger
Hamilton, 1974
Buku Teks
Lakshmanan, Valliappa, author
[Springer, ], 2012
eBooks
Hickman, Gill Robinson, author
Harcourt, 2001
Buku Teks