APA (7th ed.) Zitazioa
Horbach, J. (2005). Indicator Systems for Sustainable Innovation. Physica-Verlag HD. https://doi.org/10.1007/b138695
Chicago Style (17th ed.) Zitazioa
Horbach, Jens. Indicator Systems for Sustainable Innovation. Heidelberg: Physica-Verlag HD, 2005. https://doi.org/10.1007/b138695.
MLA (9th ed.) Zitazioa
Horbach, Jens. Indicator Systems for Sustainable Innovation. Physica-Verlag HD, 2005. https://doi.org/10.1007/b138695.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.