Biehler, Robert F.
Houghton Miffiln, [date of publication not identified]
Buku Teks
Wilson, John A.R.
McGraw-Hill, 1974
Buku Teks
Elliott, Stephen N.
McGraw-Hill, 2000
Multimedia
Stephen N. Elliot [and others]
McGraw-Hill, 2000
Buku Teks
Elliott, Stephen N.
McGraw-Hill , 2000
Multimedia