Romer, J., & Romer, E. (2005). The seven wonders of the world: A history of the modern imagination. London: Seven Dials.
استشهاد بنمط شيكاغوRomer, John,, و Elizabeth Romer. The Seven Wonders of the World: A History of the Modern Imagination. London: Seven Dials, 2005.
MLA استشهادRomer, John,, و Elizabeth Romer. The Seven Wonders of the World: A History of the Modern Imagination. London: Seven Dials, 2005.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.