Brower, James E., author
McGraw-Hill, [Boston ;1998, 1998]
Buku Teks
Eiser, Arthur L., author
Burgess , 1970
Buku Teks
Gates, Frank C.
McGraw-Hill , 1949
Buku Teks
Benton, Allen H., author
Burgess Publishing Company, 1972
Buku Teks
X Ben Wu
Kendall, 2002
Buku Teks