SpringerLink (Online service), Thurimella, A. K., & Maalej, W. (2013). Managing requirements knowledge. Springer Berlin Heidelberg.
Lua i Stíl Chicago (17ú heag.)SpringerLink (Online service), Anil Kumar Thurimella, agus Walid Maalej. Managing Requirements Knowledge. Berlin, Heidelberg: Springer Berlin Heidelberg, 2013.
Lua MLA (8ú heag.)SpringerLink (Online service), et al. Managing Requirements Knowledge. Springer Berlin Heidelberg, 2013.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.