Phares Odaffer, Randall Charles, Thomas Cooney, John Dossey, Jane Schielack
Pearson Addison Wesley, 2008
Buku Teks
Garstens, Helen L.
Macmillan, 1969
Buku Teks
Devine, Donald F.
John Wiley & Sons, 1983
Buku Teks
Beckmann, Sybilla
Pearson Addison Wesley, 2008
Buku Teks
Billstein, Rick
Pearson Addison Wesley, 2007
Buku Teks