Cita APA

Eckersley, C. E. 1., & Eckersley, J. M. (1972). Essential English for foreign students: [Students' book] (New impression.). London: Longman.

Citación estilo Chicago

Eckersley, C. E. 1892-1967, and John Macaulay Eckersley. Essential English for Foreign Students: [Students' Book]. New impression. London: Longman, 1972.

Cita MLA

Eckersley, C. E. 1892-1967, and John Macaulay Eckersley. Essential English for Foreign Students: [Students' Book]. New impression. London: Longman, 1972.