Boolootin, Richard A.
Macmillan, 1981
Buku Teks
Miller, Stephen A., author
McGraw-Hill, 2010
Buku Teks
Dillon, Lawrence S.
Macmillan Company, 1966
Buku Referensi
Hickman, Frances M., author
Mosby, 1974
Buku Teks
edited by Michael Allaby
Oxford University Press, 1999
Buku Referensi