Alreck, Pamela L.
McGraw-Hill, 1995
Buku Teks
Ellickson, Robert C.
Harvard University Press, 1994
Buku Teks
Buku Teks
Proust, Marcel, author
A Division of Random House, 1970
Buku Teks
McNeill, William H., author
Unoiversity Of Chicago, 1954
Buku Teks