Ditech Networks. (2006). Integrated Management System manual (ISO 9001:2000 and 14001: 2004). Ditech Networks.
Chicago-viite (17. p.)Ditech Networks. Integrated Management System Manual (ISO 9001:2000 and 14001: 2004). California: Ditech Networks, 2006.
MLA-viite (9. p.)Ditech Networks. Integrated Management System Manual (ISO 9001:2000 and 14001: 2004). Ditech Networks, 2006.
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