Hidalgo, F. S. J. (1999). Sustainable development-every Filipino's concern: Let's help save the earth. Published and distributed by Rex Book Store.
Citace podle Chicago (17th ed.)Hidalgo, Fe San Juan. Sustainable Development-every Filipino's Concern: Let's Help Save the Earth. Manila, Philippines: Published and distributed by Rex Book Store, 1999.
Citace podle MLA (9th ed.)Hidalgo, Fe San Juan. Sustainable Development-every Filipino's Concern: Let's Help Save the Earth. Published and distributed by Rex Book Store, 1999.
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