Girotra Karan. (2014). Risk Driven Business Model. Harvard Bus. School.
Chicago Style aipamenaGirotra Karan. Risk Driven Business Model. Boston: Harvard Bus. School, 2014.
MLA aipamenaGirotra Karan. Risk Driven Business Model. Harvard Bus. School, 2014.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.