APA aipamena

Rijnhout, L. (2001). Sustainable development. Brussel: 11.11.11.

Chicago Style aipamena

Rijnhout, Leida. Sustainable Development. Brussel: 11.11.11, 2001.

MLA aipamena

Rijnhout, Leida. Sustainable Development. Brussel: 11.11.11, 2001.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.