Cita APA (7th ed.)
River, C. (2009). The great wall of China: The history of China's most famous landmark. Charles River.
Cita Chicago (17th ed.)
River, Charles. The Great Wall of China: The History of China's Most Famous Landmark. USA: Charles River, 2009.
Cita MLA (9th ed.)
River, Charles. The Great Wall of China: The History of China's Most Famous Landmark. Charles River, 2009.
Atenció: Aquestes cites poden no estar 100% correctes.