APA aipamena

Getzner, M. (2005). Alternatives for environmental valuation. London: Routledge.

Chicago Style aipamena

Getzner, Michael. Alternatives for Environmental Valuation. London: Routledge, 2005.

MLA aipamena

Getzner, Michael. Alternatives for Environmental Valuation. London: Routledge, 2005.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.