APA استشهاد

Swanson, T. (2005). Global action for biodiversity. IUCN.

استشهاد بنمط شيكاغو

Swanson, Timothy. Global Action for Biodiversity. London: IUCN, 2005.

MLA استشهاد

Swanson, Timothy. Global Action for Biodiversity. IUCN, 2005.