Cromer, Alan H., author
McGraw-Hill, 1974
Buku Teks
Eisberg, Robert M., author
McGraw-Hill, 1982
Buku Teks
Eisberg, Robert M., author
McGraw-Hill, 1981
Buku Teks
Wendy Brown ... [and others] ; edited by Jonathan Ling
Longman Singapore Publishers, 1995
Buku Teks
editor: Thomas P. Anderson, Robert W. Springer, Richard C. Warder, Jr.
Northwestern University, 1963
Buku Teks