Dyfyniad APA

(1999). The nature of school bullying: A cross-national perspective. London ; New York: Routledge.

Dyfyniad Arddull Chicago

The Nature of School Bullying: A Cross-national Perspective. London ; New York: Routledge, 1999.

Dyfyniad MLA

The Nature of School Bullying: A Cross-national Perspective. London ; New York: Routledge, 1999.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.