editor, James P. Shaver
Macmillan, 1991
Buku Referensi
Carin, Arthur A., author
Charles E. Merrill, 1964
Buku Teks
Beckmann, Sybilla, author
Pearson Addison Wesley, 2008
Buku Teks
Phares Odaffer, Randall Charles, Thomas Cooney, John Dossey, Jane Schielack
Pearson Addison Wesley, 2008
Buku Teks
Long, Calvin T., author
Pearson - Addison Wesley, 2009
Buku Teks