APA aipamena

Cristobal, J. M. (2011). Green by design. BluPrint.

Chicago Style aipamena

Cristobal, Jennifer M. "Green by Design." BluPrint 2011.

MLA aipamena

Cristobal, Jennifer M. "Green by Design." BluPrint, 2011.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.