Cita APA (7th ed.)
English grammar for university students. Part 1: учебное пособие.
Cita Chicago (17th ed.)English Grammar for University Students. Part 1: учебное пособие.
Cita MLA (8th ed.)English Grammar for University Students. Part 1: учебное пособие.
Atenció: Aquestes cites poden no estar 100% correctes.