Dugopolski, Mark, author
McGraw-Hill, 2000
Buku Teks
Ferguson, Ronald D., author
Macmillan, 1975
Buku Teks
Miller, Julie, author
McGraw-Hill, Higher Education, 2008
Buku Teks
Wooton, William, author
Wadsworth, 1968
Buku Teks
Wooton, William, author
Wadsworth, 1965
Buku Teks