Buku Teks
Carr, Joseph J., author
Reston, 1979
Buku Teks
Senturia, Stephen D., author
John Wiley & Sons, 1975
Buku Teks
Seely, Samuel, author
Holt, Rinehart and Winston, Inc., 1968
Buku Teks
Morris, Noel M. (Noel Malcolm), 1929-, author
Longman, 1980
Buku Teks