David, M., & David, M. I. (2017). Signs that your child is a victim of cyber bullying. Manila Bulletin.
Chicagoスタイル(17版)引用形式David, Mark, , Mark Isaiah David. "Signs That Your Child Is a Victim of Cyber Bullying." Manila Bulletin 2017.
MLA(9版)引用形式David, Mark, , Mark Isaiah David. "Signs That Your Child Is a Victim of Cyber Bullying." Manila Bulletin, 2017.
警告: この引用は必ずしも正確ではありません.