Oliver, Gordon
Prentice-Hall, 1980
Buku Teks
edited by Alfred Rappaport
Prentice-Hall, 1982
Buku Teks
Schoell, William F.
Allyn and Bacon, 1988
Buku Teks
Hansen, Harry L., author
Richard D. Irwin, 1964
Buku Teks
Hansen, Harry L., author
Richard D. Irwin, 1956
Buku Teks