APA

Liebel Manfred,, . (2002). Child labour and the contribution of working children's organisations in the third world. : International Review of Education.

Chicago

Liebel Manfred,, . 2002. Child labour and the contribution of working children's organisations in the third world. : International Review of Education.

Harvard

Liebel Manfred,, . (2002). Child labour and the contribution of working children's organisations in the third world. : International Review of Education.

MLA

Liebel Manfred,, . Child labour and the contribution of working children's organisations in the third world. : International Review of Education. 2002.