SpringerLink (Online service), Thurimella, A. K., & Maalej, W. (2013). Managing requirements knowledge. Springer Berlin Heidelberg.
Čikaški stil citiranja (17. izdanje)SpringerLink (Online service), Anil Kumar Thurimella, i Walid Maalej. Managing Requirements Knowledge. Berlin, Heidelberg: Springer Berlin Heidelberg, 2013.
MLA način citiranja (8. izdanje)SpringerLink (Online service), et al. Managing Requirements Knowledge. Springer Berlin Heidelberg, 2013.
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