Hardy, F. Lane
West Publishing, 1984
Buku Teks
Kovacic, Michael L.
Prindle, Weber and Schmidt , 1971
Buku Teks
Paquette, Gerard A.
Holbrook Press, 1975
Buku Teks
Marano, Joseph
Prentice-Hall, 1973
Buku Teks
Dyke, James Van, 1813-1855
Brooks/Cole Cengage Learning, 2012
Buku Teks