APA (7th ed.) Zitazioa
Black, G. (2005). The Geography of Small Firm Innovation. Springer US. https://doi.org/10.1007/0-306-48745-4
Chicago Style (17th ed.) Zitazioa
Black, Grant. The Geography of Small Firm Innovation. Boston, MA: Springer US, 2005. https://doi.org/10.1007/0-306-48745-4.
MLA (9th ed.) Zitazioa
Black, Grant. The Geography of Small Firm Innovation. Springer US, 2005. https://doi.org/10.1007/0-306-48745-4.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.