APA (7th ed.) Citation
Cao, C., & Yuan, G. Foreign Trade and Virtual Land Resources: A Case Study of China's Grain.
Chicago Style (17th ed.) Citation
Cao, Chong, and Guojun Yuan. Foreign Trade and Virtual Land Resources: A Case Study of China's Grain.
MLA (9th ed.) Citation
Cao, Chong, and Guojun Yuan. Foreign Trade and Virtual Land Resources: A Case Study of China's Grain.
Warning: These citations may not always be 100% accurate.