Cita APA (7th ed.)

Eckersley C. E. (1970). Essential english for Foreign Students: Book three. ТОО ''Лист", 1970.

Cita Chicago (17th ed.)

Eckersley C. E. Essential English for Foreign Students: Book Three. ТОО ''Лист", 1970, 1970.

Cita MLA (9th ed.)

Eckersley C. E. Essential English for Foreign Students: Book Three. ТОО ''Лист", 1970, 1970.

Atenció: Aquestes cites poden no estar 100% correctes.