Box, George Edward Pelham
John Wiley & Sons, 1978
Buku Teks SO
Cumming, Geoff
Routledge, 2012
Buku Teks SO
Uusipaikka, Esa
CRC Press, 2009
Multimedia
Uusipaikka, Esa
CRC Press, Taylor & Francis Group, 2009
Buku Teks SO
CRC Press, Taylor & Francis , 2009
Multimedia