Lindgran, Henry Clay
John Wiley & Sons, 1966
Buku Teks
Carlson, Neil R., author
[publisher not identified], 1997
Buku Teks
Watson, David L., author
Scott, Foresman, 1984
Buku Teks
Buku Teks
King, Laura A. (Laura Ann), author
McGraw-Hill, 2008
Buku Teks