Fontana, Mars Guy
McGraw-Hill, 1978
Buku Teks
Marion, Jerry B.
Saunders College, 1982
Buku Teks
Amazigo, John C., author
Wiley,, 1980
Buku Teks
Soedel, Werner
Marcel Dekker, 1993
Buku Teks
Levi, Werner
The University of Minnesota Press, 1953
Buku Teks