Gruendemann, Barbara J.
Mosby Company, 1987
Buku Teks
Williken, Mary Elizabeth, author
Mosby , 1985
Buku Teks
Mayers, Marlene Glover, author
Applenton-Century-Crofts, 1977
Buku Teks
Kee, Joyce LeFever, author
W.B. Saunders , 1993
Buku Teks
Lippincott Williams & Wilkins, 2005
Buku Referensi