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2.Richard J. Mayer Ph.D. (2003) Information Integration for Concurrent Engineering (IICE) IDEF3 Process Description Capture method Report, http://www.idef.com/pdf/Idef0_fn.pdf,Cited 15 Jun 2012

3.Dong Jingran, Liao Kaiji. PC configuration domain ontology modeling based on IDEF 5 [J]. Computer and information technology. 2008,4 (3):43.

4.Ofis: Visio, olindi: https://products.office.com/en-us/visio/flowchart-software

5.Idef: Idef1x ma’lumotlarni modellashtirish usuli, http://www.idef.com/idef1x-datamodeling-method/

6.Vertalbelo: Chen yozuvi, olindi: http://www.vertabelo.com/blog/technical-articles/chen-erdnotation /

7.Vertalbelo: UML yozuvi, olindi: http://www.vertabelo.com/blog/technical-articles/umlnotation/

8.T. Connolly, C. Begg, Database Systems: A amaliy yondashuv dizayn, amalga oshirish va boshqarish, oltinchi nashr, Pearson Education limited, Buyuk Britaniya, 2015 yil.