Argenti, John, author
Wiley , 1974
Buku Teks
Morrisey, George L., author
Pearson Education Asia, 2002
Buku Teks
Le Breton, Preston P.
Prentice-Hall, 1961
Buku Teks
Haner, F. T.
Winthrop Publishers, 1976
Buku Teks
Haner, F.T.
Winthrop Publisher, 1976
Buku Teks