Montgomery, Douglas C.
John Wiley & Sons, 2001
Buku Teks SO
Grant, Eugene Lodewick
McGraw-Hill, 1952
Buku Teks SO
Samson, Charles
Addison-Wesley, 1970
Buku Teks SO
Grant, Eugene Lodewick
McGraw-Hill Kogakusha, [Date of publication not identified]
Buku Teks SO
Grant, Eugene Lodewick
McGraw-Hill, 1988
Buku Teks SO