Cita APA (7a ed.)

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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