1. Acharya, A. & Tan, S. S. (2006). Betwixt balance and community: America, asean, and the security of Southeast Asia. International Relations of the Asia-Pacific, 6, 37-59.
2. https://doi.org/10.1093/irap/lci125
3. Albert, E. (2016, October 21). The U.S.-Philippines Defense Alliance. Council on Foreign Relations. Retrieved from https://www.cfr.org/backgrounder/us-philippines-defense-alliance
4. asean (2018, November 14). asean-China Strategic Partnership Vision 2030. Retrieved from https://asean.org/asean-china-strategic-partnership-vision-2030/
5. asean Stats (2018). Data Portal. Indicators. Retrieved from https://data.aseanstats.org/