Lua APA (7ú heag.)

Foz, V. B. (1999). Roco elected member of IPU committee. Manila Bulletin.

Lua i Stíl Chicago (17ú heag.)

Foz, Vicente B. "Roco Elected Member of IPU Committee." Manila Bulletin 1999.

Lua MLA (9ú heag.)

Foz, Vicente B. "Roco Elected Member of IPU Committee." Manila Bulletin, 1999.

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