McGraw-Hil, 1994
Buku Teks
D.C. Heath and Company, 1992
Buku Teks
Patrick, John
Macmillan Publishing Company, 1984
Buku Teks
Bailey, Thomas Andrew, 1902-1983, author
D.C. Health, 1983
Buku Teks
Bailey, Thomas Andrew, 1902-1983, author
D.C. Healt, 1987
Buku Teks