Zhang, J. (2012). A View from the Mountain Top: The Purple Mountain Observatory Library, China.
Citazione stile Chigago Style (17a edizione)Zhang, Jian. A View from the Mountain Top: The Purple Mountain Observatory Library, China. 2012.
Citatione MLA (9a ed.)Zhang, Jian. A View from the Mountain Top: The Purple Mountain Observatory Library, China. 2012.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.