Cruz, M. . V. (2007). Bill seeks picture - based warnings on smoking. Manila Times.
Chicago-referens (17:e uppl.)Cruz, Maricel V. "Bill Seeks Picture - Based Warnings on Smoking." Manila Times 2007.
MLA-referens (9:e uppl.)Cruz, Maricel V. "Bill Seeks Picture - Based Warnings on Smoking." Manila Times, 2007.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.