Luft, Joseph
National Press Books, 1970
Buku Teks
Luft, Joseph
Mayfield Publishing Company, 1984
Buku Teks
edited by Jonathon Gillette and Marion McCollom
Addison-Wesley, 1990
Buku Teks
Harris, Thomas E.
Pearson, 2011
Buku Teks
Fisher, B. Aubrey, 1937-
McGraw-Hill, 1980
Buku Teks