Coombs, P. H., & Hallak, J. (1972). Educational cost analysis in action: Case studies for planners 11. UNESCO.
Chicago Style (17th ed.) CitationCoombs, Philip H., and Jacques Hallak. Educational Cost Analysis in Action: Case Studies for Planners 11. Paris: UNESCO, 1972.
MLA (9th ed.) CitationCoombs, Philip H., and Jacques Hallak. Educational Cost Analysis in Action: Case Studies for Planners 11. UNESCO, 1972.
Warning: These citations may not always be 100% accurate.