Cita APA (7a ed.)
Butcher, H., Pont, H., & Wall, W. (1970). Educational research in Britain: 1.
Cita estilo Chicago (17a ed.)
Butcher, H.J, H.B Pont, y W.B Wall. Educational Research in Britain: 1. 1970.
Cita MLA (9a ed.)
Butcher, H.J, et al. Educational Research in Britain: 1. 1970.
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