Villegas, B. M. (1992). Taking the Philippines to the 21st century. Southeast Asian Science Foundation.
Citace podle Chicago (17th ed.)Villegas, Bernardo Malvar. Taking the Philippines to the 21st Century. Manila: Southeast Asian Science Foundation, 1992.
Citace podle MLA (9th ed.)Villegas, Bernardo Malvar. Taking the Philippines to the 21st Century. Southeast Asian Science Foundation, 1992.
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