Marcus, Marvin, author
Houghton Mifflin, 1968
Buku Teks
Drooyan, Irving, author
John Wiley & Sons, 1976
Buku Teks
Leithold, Louis, author
Macmillan, 1974
Buku Teks
Dolciani, Mary P., author
Houghton Miffiln, 1971
Buku Teks
Dolciani, Mary P., author
Houghton Mifflin, 1971
Buku Teks