Norton, B. G. (2003). Searching for sustainability: Interdisciplinary essays in the philosophy of conservation biology. Cambridge, UK: Cambridge University Press.
استشهاد بنمط شيكاغوNorton, Bryan G. Searching for Sustainability: Interdisciplinary Essays in the Philosophy of Conservation Biology. Cambridge, UK: Cambridge University Press, 2003.
MLA استشهادNorton, Bryan G. Searching for Sustainability: Interdisciplinary Essays in the Philosophy of Conservation Biology. Cambridge, UK: Cambridge University Press, 2003.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.