Soni, S.K.
Narosa Publishing House, 2000
Buku Teks SO
Beiser, Arthur
McGraw-Hill, 1995
Buku Teks SO
Hafstrom, John E.
Addison-Wesley, 1961
Buku Teks SO
Beiser, Arthur
McGraw-Hill, 1981
Buku Teks SO
edited by Joseph Karlton Owen and Robert K. Eisleben
W.B. Saunders, 1962
Buku Teks