Davis, Joel, 1950-, author
Prentice-Hall, 1997
Buku Teks
Heimler, Charles H.
Charles E Merrill, 1977
Buku Teks
Davis, Malvin E.
York McGraw-Hill Book Co., 1944
Buku Teks
Balzac, Honore de, author
Knopf, 1991
Buku Teks
Bouman, P. J. (Pieter Jan)
McGraw-Hill , 1954
Buku Teks