Calica, M. A. L. (2002). Barbers bats for ID system. Philippine Star.
Lua i Stíl Chicago (17ú heag.)Calica, Ma. Aurea L. "Barbers Bats for ID System." Philippine Star 2002.
Lua MLA (9ú heag.)Calica, Ma. Aurea L. "Barbers Bats for ID System." Philippine Star, 2002.
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