Renner, John W., author
Harper & Row, 1968
Buku Teks
Victor, Edward, author
Macmillan, 1966
Buku Teks
Blough, Glenn O.
Holt, Rinehart and Winston, 1964
Buku Teks
Huck, Charlotte S., author
McGraw-Hill, 2004
Buku Teks
Phares Odaffer, Randall Charles, Thomas Cooney, John Dossey, Jane Schielack
Pearson Addison Wesley, 2008
Buku Teks