Davis, Richard A.
Wm.C. Brown, 1991
Buku Teks
Davis, Richard A.
Wm.C. Brown, 1996
Buku Teks
Weyl, Peter K.
John Wiley & Sons, 1970
Buku Teks
The Open University. Course Team
The Open University Press, 1984
Buku Referensi
The Open University. Course Team
The Open University Press, 1984
Buku Referensi