Bradley, Joseph F., author
Holt, Rinehart and Winston, 1969
Buku Teks
Bradley, Joseph F., author
Dryden Press, 1974
Buku Teks
by David F. Scott ... [and others]
Prentice-Hall, 1999
Buku Teks
by Arthur J. Keown ... [and others]
WM.C. Brown Comp., 1986
Buku Teks
by J. William Petty ... [and others]
Prentice-Hall, 1993
Buku Teks