杨旭. (2010). 世界重大发明发现百科全书: Inventions and discoveries of the world. 汕头大学出版社.
Chicago (17e ed.) Bronvermelding杨旭. 世界重大发明发现百科全书: Inventions and Discoveries of the World. 汕头大学出版社, 2010.
MLA (8e ed.) Bronvermelding杨旭. 世界重大发明发现百科全书: Inventions and Discoveries of the World. 汕头大学出版社, 2010.
Let op: Deze citaties zijn niet altijd 100% accuraat.