Cagahastian, D. C. (2003). Men outnumber women in use of illegal drugs among drivers. Manila Bulletin.
Chicago-viite (17. p.)Cagahastian, Diego C. "Men Outnumber Women in Use of Illegal Drugs Among Drivers." Manila Bulletin 2003.
MLA-viite (9. p.)Cagahastian, Diego C. "Men Outnumber Women in Use of Illegal Drugs Among Drivers." Manila Bulletin, 2003.
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