Opschoor,, J. B. (2004). Biodiversity, sustainable development and economic analysis. CDS.
Čikaški stil citiranjaOpschoor,, J.Hans B. Biodiversity, Sustainable Development and Economic Analysis. Thiruvananthapuram: CDS, 2004.
MLA način citiranjaOpschoor,, J.Hans B. Biodiversity, Sustainable Development and Economic Analysis. CDS, 2004.
Upozorenje: Ovi citati možda nisu uvijek 100% točni.