Karb, Virginia Burke, author
Mosby , 1996
Buku Teks
Philadelphia : lippincott , 2004
Buku Teks
Turner, Paul, author
Macmillan, 1993
Buku Referensi
Turner, Paul, author
Macmillan, 1994
Buku Referensi
Ehrenpreis, Seymour, author
McGraw-Hill, 2001
Buku Referensi