Johnson, J. A., Runge, C. F., Senauer, B., Foley, J., & Polasky, S. (2014). Global agriculture and carbon trade-offs. National Academy of Sciences.
استشهاد بنمط شيكاغوJohnson, Justin Andrew, Carlisle Ford Runge, Benjamin Senauer, Jonathan Foley, و Stephen Polasky. Global Agriculture and Carbon Trade-offs. National Academy of Sciences, 2014.
MLA استشهادJohnson, Justin Andrew, et al. Global Agriculture and Carbon Trade-offs. National Academy of Sciences, 2014.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.