Dean, Joel
Prentice-Hall, 1951
Buku Teks
Chopra, O.P., author
Tata McGraw-Hill, 1984
Buku Teks
Ulbrich, Holley H., author
Barrons, 1990
Buku Teks
Salvatore, Dominick, author
Salemba Empat, 2005
Buku Teks
Keat, Paul G, author
Pearson Education International, 2003
Buku Teks