Davis, Keith, 1918-, author
McGraw-Hill, 1957
Buku Teks
Mitchell, W., author
Macmillan, 1973
Buku Teks
Saltonstall, Robert, author
McGraw-Hill, 1959
Buku Teks
Glover, John Desmond, author
Richard D. Irwin, 1957
Buku Teks
Schmitt, Neal W.
South-Western Publishing, 1991
Buku Teks