Miller, Martha J., author
Saunders , 1983
Buku Teks
Mulvihill, Mary Lou, author
Appletton & lange , 1991
Buku Teks
Smith, Theobald
Princeton University Press, 1934
Buku Teks
Spicer, John W., author
Churchill Livingstone Elsevier, 2008
Buku Teks
edited by Max Samter; section editor, David W. Talmage [and others]
Brown and company, 1978
Buku Teks