Singleton, Paul
John Wiley & Sons, 2001
Buku Referensi
William Bawen Sarles ...[et.al.]
Harper & Row, 1956
Buku Teks
Pelczar, Michael J.
McGraw-Hill, 1986
Buku Teks
Pelczar, Michael J.
Tata McGraw-Hill, [date of publication no identified]
Buku Teks
Burdon, Kenneth L.
Micmillan , 1971
Buku Teks