Moursund, David G., author
John Wiley & Sons, 1981
Buku Teks
Ben-Chai, David, author
Sense, 2012
eBooks
Phares Odaffer, Randall Charles, Thomas Cooney, John Dossey, Jane Schielack
Pearson Addison Wesley, 2008
Buku Teks
Garstens, Helen L., author
Macmillan, 1969
Buku Teks
Billstein, Rick, author
Pearson Addison Wesley, 2007
Buku Teks