Walker, Lorraine Olszewski, author
Appleton & Lange , 1988
Buku Teks
Parse, Rosemarie Rizzo, author
John Wiley & Sons, 1981
Buku Teks
Rodgers, Beth L., author
Lippincott Williams & Wilkins , 2005
Buku Teks
Joos, Irene, author
Reston publishing , 1985
Buku Teks
Lippincott, 1999
Buku Teks