Villanueva, O. (1997). Sales of passenger cars down by 15% in January. Manila Chronicle.
Chicago-viite (17. p.)Villanueva, Othel. "Sales of Passenger Cars Down by 15% in January." Manila Chronicle 1997.
MLA-viite (9. p.)Villanueva, Othel. "Sales of Passenger Cars Down by 15% in January." Manila Chronicle, 1997.
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