Development Bank of the Philippines & Environmental Infrastructure Support Credit Programme. (1999). An Evaluation guide for environmental projects in the pig farming industry. Development Bank of the Philippines.
Lua i Stíl Chicago (17ú heag.)Development Bank of the Philippines agus Environmental Infrastructure Support Credit Programme. An Evaluation Guide for Environmental Projects in the Pig Farming Industry. [Makati City]: Development Bank of the Philippines, 1999.
Lua MLA (9ú heag.)Development Bank of the Philippines agus Environmental Infrastructure Support Credit Programme. An Evaluation Guide for Environmental Projects in the Pig Farming Industry. Development Bank of the Philippines, 1999.
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