Elliot, Diane L.
Lippincott-Raven , 1997
Buku Teks SO
Seidel, Henry M.; Ball, Jane W.; Dains, Joyce E.; Benedict, G. William
Mosby, 1999
Buku Referensi
Estes, Mary Ellen Zator
Delmar , 2002
Buku Teks SO
Jarvis, Carolyn
W.B. Saunders, 2004
Buku Teks SO
Jarvis, Carolyn
W.B. Saunders, 2000
Buku Teks SO