Hitchcock, Janice E., author
Delmar, 1999
Buku Teks SO
Clark, Mary Jo, author
Appleton & lange , 1999
Buku Teks
edited by Barbara Walton Spradley
Little, Brown, 1986
Buku Teks
Allender, Judith Ann, author
Wolters Kluwer, Lippincott Williams & Wilkins, 2010
Buku Teks
Swanson, Janice M., author
W.B. Saunder, 1997
Buku Teks