Prodan, Mario, author
Hutchinson, 1958
Buku Teks
Moantford, Charles P.
Angus and Robertson, 1965
Buku Teks
Kalajdzievski, Sasho, author
CRC Press, 2008
Buku Teks
Savitch, Walter J., author
The Benjamin/Cummings Publishing, 1984
Buku Teks
Wilson, E. Bright, author
McGraw-Hill, 1952
Buku Teks