Allender, Judith Ann, author
Wolters Kluwer, Lippincott Williams & Wilkins, 2010
Buku Teks
edited by Lorenz K. Y. Ng and Devra Lee Davis
Van Nostrand Reinhold, 1981
Buku Teks
Leger, A.S. St., author
Open UNiversity Press, 1999
Buku Teks
Milio, Nancy, author
Davis, 1983
Buku Teks
edited by Jenny Douglas
Sage, 2007
Buku Teks