Sampana, A. (2001). Secretary alvarez takes action against tea rose marble smugglers. Manila Times.
Chicago-referens (17:e uppl.)Sampana, Art. "Secretary Alvarez Takes Action Against Tea Rose Marble Smugglers." Manila Times 2001.
MLA-referens (9:e uppl.)Sampana, Art. "Secretary Alvarez Takes Action Against Tea Rose Marble Smugglers." Manila Times, 2001.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.