Qin, Qing-Hua, author
Elseiver Academic Press, 2007
Buku Teks
Stakgold, Ivar
John Wiley & Sons, 1979
Buku Teks
Boyce, William E., author
John Wiley & Sons, 1977
Buku Teks
Martin, Robert H., author
McGraw-Hill, 1984
Buku Teks
Boyce, William E., author
John Wiley & Sons, 1969
Buku Teks