Howell, Rate A., author
Dryden Press, 1984
Buku Teks
Robinson, Webster, author
McGraw-Hill, 1925
Buku Teks
Globerman, Steven, author
Prentice-Hall, 1986
Buku Teks
Young, Hugh D., 1930-, author
McGraw-Hill , 1976
Buku Teks
Kuo, Chengi
McGraw-Hill , 1992
Buku Teks