edited by Meredith L. Weiss and Saliha Hassan
Routledge, 2003
Buku Teks
Scales, T. Laine, author
Oxford University Press, 2016
Buku Teks
Wood, James L., author
Wadsworth, 1982
Buku Teks
Robert, Ron E., author
Mosby, 1979
Buku Teks
Mandelbaum, Seymour J.
Mass. : MIT Press , 2000
Buku Teks