McKillup, Steve, author
Cambridge University Press, 2011
Buku Teks
Samuel, Myra L., author
Pearson - Prentice Hall, 2003
Buku Teks
Samuel, Myra L., author
Prentice Hall; Pearson education, 2003
Multimedia
Barlow, Roger, author
John Wiley & Sons, 1991
Buku Teks
Wonnacott, Thomas H., 1935-, author
John Wiley & Sons, 1990
Buku Teks