Cita APA (7a ed.)
Bremer, J., & Von, M. (1971). The school without walls: Philadelphia's parkway program.
Cita estilo Chicago (17a ed.)
Bremer, John, y Moschzisker Von. The School Without Walls: Philadelphia's Parkway Program. 1971.
Cita MLA (9a ed.)
Bremer, John, y Moschzisker Von. The School Without Walls: Philadelphia's Parkway Program. 1971.
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