Speziale, Helen J. Streubert, author
Lippincott Williams & Wilkins, 2003
Buku Teks
Speziale, Helen J. Streubert, author
J.B. Lippincott, 1999
Buku Teks
Valiga, Theresa M.
Springer, 1991
Buku Teks
Marshall, Catherine, author
Sage, 1999
Buku Teks
Silverman, David, author
Buku Teks