Lotilla, R. P. M. (1995). The Philippine national territory: A collection of related documents. Institute of International Legal Studies, University of the Philippines Law Center and Foreign Service Institute, Department of Foreign Affairs.
Cita Chicago (17th ed.)Lotilla, Raphael Perpetuo M. The Philippine National Territory: A Collection of Related Documents. Quezon City: Institute of International Legal Studies, University of the Philippines Law Center and Foreign Service Institute, Department of Foreign Affairs, 1995.
Cita MLA (9th ed.)Lotilla, Raphael Perpetuo M. The Philippine National Territory: A Collection of Related Documents. Institute of International Legal Studies, University of the Philippines Law Center and Foreign Service Institute, Department of Foreign Affairs, 1995.