Valero, G. M. C. (1987). A Comparative analysis of United States military bases agreements. International Studies Institute of the Philippines.
Lua i Stíl Chicago (17ú heag.)Valero, Gerardo M. C. A Comparative Analysis of United States Military Bases Agreements. Diliman, Quezon City: International Studies Institute of the Philippines, 1987.
Lua MLA (9ú heag.)Valero, Gerardo M. C. A Comparative Analysis of United States Military Bases Agreements. International Studies Institute of the Philippines, 1987.
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