Malseed, Roger, author
J.B. Lippincott , 1995
Buku Teks
little, Brown and company , 1997
Buku Teks
Ropelewski-Ryan, Gail, author
J.B. Lippincott , 1995
Buku Teks
Aschenbrenner, Diane S., author
Lippincott Williams & Wilkins, 2002
Buku Teks
Lippincott , 1999
Buku Teks