Arrienda, F. Q., II, & Perilla, M. V. (2012). Duck industry in Victoria, Laguna, Philippines. Ad Veritatem.
Lua i Stíl Chicago (17ú heag.)Arrienda, Faustino Q., II, agus Mario V. Perilla. "Duck Industry in Victoria, Laguna, Philippines." Ad Veritatem 2012.
Lua MLA (9ú heag.)Arrienda, Faustino Q., II, agus Mario V. Perilla. "Duck Industry in Victoria, Laguna, Philippines." Ad Veritatem, 2012.
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