The people's Republic of  China.  Material no librario  [material cartográfico] /  
Produced by the Cartographic Division National Geographic Society Robert E. Doyle, President National Geographic Magazine. 
 - Washington, D. C. :  National Geographic Society,  1980. 
 - 1 mapa ;   95 x 78 cm. 
<br/><br/> Catalogación preliminar.  Scale I:6,000,000 Icentimeter = 60 kilometers or inch = 94.7 miles 
<br/><br/><br/>Descripción en Inglés.