Eckersley, C. E. (1960). A comprehensive English grammar for foreign students. Longmans.
Chicago Style (17. basım) AtıfEckersley, Charles Ewart. A Comprehensive English Grammar for Foreign Students. London: Longmans, 1960.
MLA (9th ed.) AtıfEckersley, Charles Ewart. A Comprehensive English Grammar for Foreign Students. Longmans, 1960.
Uyarı: Bu alıntı herzaman %100 doğru olmayabilir..