Brown, Byron Wm
John Wiley & Sons, 1977
Buku Teks
Campbell, Michael J.
John Wiley & Sons, 1999
Buku Teks
Samuel, Myra L.
Pearson - Prentice Hall, 2003
Buku Teks
Indrayan, A.
Chapman & Hall/CRC, 2008
Buku Teks
Schork, M. Anthony
Prentice-Hall, 2000
Buku Teks