Carron, G., & Carr-Hill, R. A. (1991). Non-formal education: Information and planning issues. International Institute for Educational Planning.
Čikaški stil citiranja (17. izdanje)Carron, Gabriel, i Roy A. Carr-Hill. Non-formal Education: Information and Planning Issues. Paris: International Institute for Educational Planning, 1991.
MLA način citiranja (9. izdanje)Carron, Gabriel, i Roy A. Carr-Hill. Non-formal Education: Information and Planning Issues. International Institute for Educational Planning, 1991.
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