Cita APA (7a ed.)
Coombs, P. H., & Hallak, J. (1972). Managing educational costs.
Cita estilo Chicago (17a ed.)
Coombs, Philip H., y Jacques Hallak. Managing Educational Costs. 1972.
Cita MLA (9a ed.)
Coombs, Philip H., y Jacques Hallak. Managing Educational Costs. 1972.
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