Bethel, Lawrence L., author
McGraw-Hill, 1948
Buku Teks
Moore, Franklin G., author
McGraw-Hill, 1969
Buku Teks
Biegel, John E., author
Prentice-Hall, 1980
Buku Teks
O`Donnell, Paul D., author
Prentice-Hall, 1954
Buku Teks
O`Donnell, Paul D., author
Prentice-Hall, 1952
Buku Teks