Keedy, Mervin J., author
Addison-Wesley , 1969
Buku Teks
Cooke, Nelson M., author
McGraw-Hill, 1960
Buku Teks
Miller, Leslie H., author
Henry Holt, 1961
Buku Teks
Miller, Leslie H., author
Holt, Rinehart and Winston, 1961
Buku Teks
Chew, Al H.
Houghton Mifflin, 1976
Buku Teks