APA (7e ed.) Bronvermelding

National Bureau for Co-operation in Child Care & Pringle, M. L. K. (1969). Caring for children: A symposium on co-operation in child care. Longmans in association with the National Bureau for Co-operation in Child Care.

Chicago (17e ed.) Bronvermelding

National Bureau for Co-operation in Child Care en M. L. Kellmer Pringle. Caring for Children: A Symposium on Co-operation in Child Care. London: Longmans in association with the National Bureau for Co-operation in Child Care, 1969.

MLA (8e ed.) Bronvermelding

National Bureau for Co-operation in Child Care en M. L. Kellmer Pringle. Caring for Children: A Symposium on Co-operation in Child Care. Longmans in association with the National Bureau for Co-operation in Child Care, 1969.