Northern Consulting Resources. Superdistribution of Digital Information : The Impact On Bottom-Line Results. http://www.infomarket.ibm.com/ht3/superdis.htm
麻倉怜士. DVD. 1996, 246-252
TAILOR, J. DVD Frequently Asked Questions (with answers!). http://www.videodiscovery.com/vdyweb/dvd/dvdfaq.html