Eckersley, C. E. (1950). A modern english course for foreign students an intermediate book. Longmans Green.
Citace podle Chicago (17th ed.)Eckersley, C. E. A Modern English Course for Foreign Students an Intermediate Book. Londres: Longmans Green, 1950.
Citace podle MLA (9th ed.)Eckersley, C. E. A Modern English Course for Foreign Students an Intermediate Book. Longmans Green, 1950.
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