Engelman, R. (2008). More: Population, nature, and what women want. Washington, D.C.: Island Press.
استشهاد بنمط شيكاغوEngelman, Robert. More: Population, Nature, and What Women Want. Washington, D.C.: Island Press, 2008.
MLA استشهادEngelman, Robert. More: Population, Nature, and What Women Want. Washington, D.C.: Island Press, 2008.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.