APA (7 ম সংস্করণ) উদ্ধৃতি

conservation, E. a. t. Economics and the conservation of global biological diversity, working paper Number 2. The World Bank, UNDP, UNEP.

শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতি

conservation, Economic and the. Economics and the Conservation of Global Biological Diversity, Working Paper Number 2. The World Bank, UNDP, UNEP.

M.L.A (8 ম সংস্করণ) উদ্ধৃতি

conservation, Economic and the. Economics and the Conservation of Global Biological Diversity, Working Paper Number 2. The World Bank, UNDP, UNEP.