Solomons, T. W. Graham, author
John Wiley & Sons, 1992
Buku Teks
by Stanley H. Pine ... [and others]
McGraw-Hill, 1984
Buku Teks
Fessenden, Ralph J., author
Wadsworth, 1979
Buku Teks
Shirley, David A., author
Holt Rinehart & Winston, 1964
Buku Teks
Gilchrist, T.L., author
Longman Scientific and Technical, 1994
Buku Teks