Cita APA (7a ed.)
Дроздова, Т. Ю. The Keys. English Grammar. Reference and Practice. Version 2.0.
Cita Chicago Style (17a ed.)Дроздова, Т. Ю. The Keys. English Grammar. Reference and Practice. Version 2.0.
Cita MLA (8a ed.)Дроздова, Т. Ю. The Keys. English Grammar. Reference and Practice. Version 2.0.
Precaución: Estas citas no son 100% exactas.