Reducto, K. P. M., & De Leon, P. (2018). The economic benefits and costs of ISO 9001: 2008 implementation at the building and facilities permits division, engineering services group, clark development corporation. University of the Philippines Diliman Extension Program in Pampanga.
Chicago-referens (17:e uppl.)Reducto, Korina Pearl M., och Patrick De Leon. The Economic Benefits and Costs of ISO 9001: 2008 Implementation at the Building and Facilities Permits Division, Engineering Services Group, Clark Development Corporation. Pampanga: University of the Philippines Diliman Extension Program in Pampanga, 2018.
MLA-referens (9:e uppl.)Reducto, Korina Pearl M., och Patrick De Leon. The Economic Benefits and Costs of ISO 9001: 2008 Implementation at the Building and Facilities Permits Division, Engineering Services Group, Clark Development Corporation. University of the Philippines Diliman Extension Program in Pampanga, 2018.