Cressey, G. B. (1955). Land of the 500 million: A geography of China. McGraw-Hill.
Dyfyniad Arddull ChicagoCressey, George Babcock. Land of the 500 Million: A Geography of China. New York: McGraw-Hill, 1955.
Dyfyniad MLACressey, George Babcock. Land of the 500 Million: A Geography of China. McGraw-Hill, 1955.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.