National Society for the Study of Education. & Whipple, G. M. (1934). The activity movement. Public School Pub. Co.
Cita Chicago Style (17a ed.)National Society for the Study of Education. y Guy Montrose Whipple. The Activity Movement. Bloomington, IL: Public School Pub. Co, 1934.
Cita MLA (9a ed.)National Society for the Study of Education. y Guy Montrose Whipple. The Activity Movement. Public School Pub. Co, 1934.
Precaución: Estas citas no son 100% exactas.