Malaya, J. E., & Mandigma, C. G. P. D. (2021). Philippine treaties in force 2020. Institute of International Legal Studies, University of the Philippines Law Center.
Cita Chicago (17th ed.)Malaya, J. Eduardo, i Crystal Gale P. Dampil- Mandigma. Philippine Treaties in Force 2020. Quezon City: Institute of International Legal Studies, University of the Philippines Law Center, 2021.
Cita MLA (9th ed.)Malaya, J. Eduardo, i Crystal Gale P. Dampil- Mandigma. Philippine Treaties in Force 2020. Institute of International Legal Studies, University of the Philippines Law Center, 2021.
Atenció: Aquestes cites poden no estar 100% correctes.