Duchâtel, Mathieu, Oliver Bräuner, and Katharina Seibel. "7. Trends in East Asian security." SIPRI Yearbook. SIPRI. Oxford: Oxford University Press. 2016. Web. 21 Apr. 2019. <http://www.sipriyearbook.org/view/9780198737810/sipri-9780198737810-chapter-7-div1-2.xml>.