Clemen-Stone, Susan, author
Mosby, 1998
Buku Teks
Gray, Stephen E.
MacMillan Press , 1978
Buku Teks
Jarvis, Linda L., author
F.A. Davis , 1981
Buku Teks
edited by Dianne Watkins, Judy Cousins ; foreword by Dean Whitehead
Elsevier , 2010
Buku Teks
Burgess, Wendy, author
Appleton Century Crofts, 1983
Buku Teks