Beer, J., DeClerck, F., & Rapidel, B. (2011). Ecosystem Services from Agriculture and Agroforestry: Measurement and Payment.
استشهاد بنمط شيكاغوBeer, John, Fabrice DeClerck, و Bruno Rapidel. Ecosystem Services from Agriculture and Agroforestry: Measurement and Payment. London, Earth Scan, 2011.
MLA استشهادBeer, John, et al. Ecosystem Services from Agriculture and Agroforestry: Measurement and Payment. 2011.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.