Prause, Christian; Bibus, Markus; Dietrich, Carsten; Jobi, Wolfgang (2016). "Software Product Assurance at the German Space Agency". Journal of Software: Evolution and Process. 28 (9): 744–761. doi:10.1002/smr.1779. S2CID13230066.
Brooks, F.W. (1925). "William de Wrotham and the Office of Keeper of the King's Ports and Galleys". The English Historical Review. 40 (160): 570–579. doi:10.1093/ehr/XL.CLX.570.
Littauer, S.B. (1950). "The Development of Statistical Quality Control in the United States". The American Statistician. 4 (5): 14–20. doi:10.2307/2681449. JSTOR2681449.
Littauer, S.B. (1950). "The Development of Statistical Quality Control in the United States". The American Statistician. 4 (5): 14–20. doi:10.2307/2681449. JSTOR2681449.
mit.edu
sloanreview.mit.edu
Garvin, D.A. (15 October 1984). "What Does "Product Quality" Really Mean?". MIT Sloan Management Review. Massachusetts Institute of Technology. Retrieved 29 November 2017.
Prause, Christian; Bibus, Markus; Dietrich, Carsten; Jobi, Wolfgang (2016). "Software Product Assurance at the German Space Agency". Journal of Software: Evolution and Process. 28 (9): 744–761. doi:10.1002/smr.1779. S2CID13230066.