Craig, Charles Franklin
Lea & Febiger, 1951
Buku Teks SO
Chandler, Asa C.
John Wiley & Sons, 1961
Buku Teks SO
Markell, Edward K.
W.B. Saunders, 1992
Buku Teks SO
Beaver, Paul Chester
Lea and Febiger, 1984
Buku Teks
Najarian, Haig H.
Williams & Willkins, 1967
Buku Teks SO