Cita APA

Jessen, C. A. (1938). Needed research in secondary education. Washington: Government Printing Office.

Citación estilo Chicago

Jessen, Carl A. Needed Research in Secondary Education. Washington: Government Printing Office, 1938.

Cita MLA

Jessen, Carl A. Needed Research in Secondary Education. Washington: Government Printing Office, 1938.

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