Eckersley, C. E., & Eckersley, J. (1960). A comprehensive english grammar for foreign students. London: Longman.
Citación estilo ChicagoEckersley, Charles Ewart, y J.M. Eckersley. A Comprehensive English Grammar for Foreign Students. London: Longman, 1960.
Cita MLAEckersley, Charles Ewart, y J.M. Eckersley. A Comprehensive English Grammar for Foreign Students. London: Longman, 1960.
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