Rempp, Paul
Huthing and Verlag Basel , 1991
Buku Teks SO
Sandler, Stanley R.
Academic Press, 1998
Buku Teks
Fischbach, Frances Talaska
J.B. Lippincott, 1992
Buku Teks SO
Jones, Norris W.
McGraw-Hill, 2001
Buku Teks
Brewer, Richard
Saunders College Publishing, 1982
Buku Referensi