Eckersley, C. E. (1955). A modern english course for foreign students. Longmans, Green.
Cita Chicago Style (17a ed.)Eckersley, C. E. A Modern English Course for Foreign Students. Londres, Inglaterra: Longmans, Green, 1955.
Cita MLA (9a ed.)Eckersley, C. E. A Modern English Course for Foreign Students. Longmans, Green, 1955.
警告:这些引文格式不一定是100%准确.
