Eckersley, C. E. (1966). A Comprehensive English Grammar: For foreign students. Longman.
Cita Chicago Style (17a ed.)Eckersley, C. E. A Comprehensive English Grammar: For Foreign Students. Londres: Longman, 1966.
Cita MLA (9a ed.)Eckersley, C. E. A Comprehensive English Grammar: For Foreign Students. Longman, 1966.
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