Murray, Ruth Beckmann
Appleton & lange , 1991
Buku Teks SO
Townsend, Mary C., 1941-
F.A. Davis, 2000
Buku Teks SO
Neal, Margo C.
Nurseco, 1981
Buku Teks SO
[edited by] Katherine M. Fortinash, Patricia A. Holoday Worret
St Louis , 2004
Buku Teks SO
Perko, Joanne E.
Appleton & Lange , 1988
Buku Teks SO