Alexander, Mary, author
McGraw-Hill, 1974
Buku Teks
edited by Basil J. Zitelli, Holly W. Davis
Mosby Elsevier, 2007
Buku Referensi
Goodman, Catherine Cavallaro
W.B. Saunders, 1995
Buku Teks
Block, Gloria J.
New York Appletton-Century-Crofts , 1981
Buku Teks
Major, Ralph H., author
W.B. Saunders, 1958
Buku Teks