Liao, J. (2005). Parental gaming advisory. IN Digital citizens [column]. Manila Bulletin.
Cita Chicago (17th ed.)Liao, Jerry. "Parental Gaming Advisory. IN Digital Citizens [column]." Manila Bulletin 2005.
Cita MLA (9th ed.)Liao, Jerry. "Parental Gaming Advisory. IN Digital Citizens [column]." Manila Bulletin, 2005.
Atenció: Aquestes cites poden no estar 100% correctes.