Cerami, Charles A., author
Prentice-Hall, 1957
Buku Teks
Hodges, Henry G., author
Houghton Miffiln, 1955
Buku Teks
Strauss, George, author
Prentice-Hall, 1980
Buku Teks
Strauss, George, author
Prentice Hall of India, 1985
Buku Teks
Monks, Joseph G., author
McGraw-Hill, 1987
Buku Teks