Maurice, S. Charles, author
McGraw-Hill, 2002
Buku Teks
Kohler, Heinz, author
Alfred A. Knoff , 1961
Buku Teks
edited by Paul A. Samuelson
McGraw-Hill, 1970
Buku Teks
Hailstones, Thomas J., author
South-Western Publishing, 1974
Buku Teks
edited by by Harold J. Leavitt and Louise R. Pondy
University of Chicago Press, c1964
Buku Teks