Cita APA

Eckersley, C. E. 1. (1980). A concise English grammar for foreign students (Rev. ed. with additional exercises.). London: Longman.

Citación estilo Chicago

Eckersley, C. E. 1892-1967. A Concise English Grammar for Foreign Students. Rev. ed. with additional exercises. London: Longman, 1980.

Cita MLA

Eckersley, C. E. 1892-1967. A Concise English Grammar for Foreign Students. Rev. ed. with additional exercises. London: Longman, 1980.