Mercado, L. N. (1994). Working with indigenous peoples: A Philippine source book. Divine Word Publications.
Lua i Stíl Chicago (17ú heag.)Mercado, Leonardo N. Working with Indigenous Peoples: A Philippine Source Book. Manila: Divine Word Publications, 1994.
Lua MLA (9ú heag.)Mercado, Leonardo N. Working with Indigenous Peoples: A Philippine Source Book. Divine Word Publications, 1994.
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