International Intervisitation Programme (7th : 1990 : Manchester, England), & Ribbins, P. (1991). Developing educational leaders. Longman in association with the British Educational Management and Administration Society.
Čikaški stil citiranja (17. izdanje)International Intervisitation Programme (7th : 1990 : Manchester, England), i Peter Ribbins. Developing Educational Leaders. Harlow, Essex, England: Longman in association with the British Educational Management and Administration Society, 1991.
MLA način citiranja (9. izdanje)International Intervisitation Programme (7th : 1990 : Manchester, England), i Peter Ribbins. Developing Educational Leaders. Longman in association with the British Educational Management and Administration Society, 1991.
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