Edwards, Allen L., author
Holt, Rinehart and Winston, 1966
Buku Teks
Kiess, Harold O.
Allyn And Bacob, 1989
Buku Teks
Shapiro, Jesse M.
Charles E. Merrill, 1967
Buku Teks
Kuzma, Jan W., author
McGraw-Hill, 2000
Buku Teks
Kuzma, Jan W., author
Mayfield Publ., 1984
Buku Teks