"Systems and software engineering – System life cycle processes", ISO/IEC 15288:2008, ISO/IEC, 2008 [3]Архивирано на сајту Wayback Machine (6. август 2019)
"Standard for Application and Management of the Systems Engineering Process -Description", IEEE Std 1220-1998, IEEE, 1998 [2]Архивирано на сајту Wayback Machine (1. август 2009)
"Standard for Application and Management of the Systems Engineering Process -Description", IEEE Std 1220-1998, IEEE, 1998 [2]Архивирано на сајту Wayback Machine (1. август 2009)
"Systems and software engineering – System life cycle processes", ISO/IEC 15288:2008, ISO/IEC, 2008 [3]Архивирано на сајту Wayback Machine (6. август 2019)