Macey, Robert I.
Prentice-Hall, 1968
Buku Teks
Bainbridge, F.A.
Longmans, Green , 1919
Buku Teks
Mitchell, Philip H.
McGraw-Hill, 1956
Buku Teks
Guyton, Arthur C.
W.B. Saunders , 1986
Buku Teks
Wright, Samson
Oxford University Press, 1928
Buku Referensi