Guingguing, M. M., II. (2013). Fort Santiago: The site of freedom. Health & Home.
Lua i Stíl Chicago (17ú heag.)Guingguing, Mamerto M., II. "Fort Santiago: The Site of Freedom." Health & Home 2013.
Lua MLA (9ú heag.)Guingguing, Mamerto M., II. "Fort Santiago: The Site of Freedom." Health & Home, 2013.
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