Clark, Mary Jo
Appleton & lange , 1999
Buku Teks
edited by Barbara Walton Spradley
Little, Brown, 1986
Buku Teks
Allender, Judith Ann
Wolters Kluwer, Lippincott Williams & Wilkins, 2010
Buku Teks
Swanson, Janice M.
W.B. Saunder, 1997
Buku Teks
Bailliere Tindall, 1996
Buku Teks