APA (7th ed.) Zitazioa
CRISP Production. Project management. Learning Resource.
Chicago Style (17th ed.) Zitazioa
CRISP Production. Project Management. Mobray: Learning Resource.
MLA (9th ed.) Zitazioa
CRISP Production. Project Management. Learning Resource.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.