Cita APA (7th ed.)

Gammidge, M. Grammar works: Student's book 1.

Cita Chicago (17th ed.)

Gammidge, Mick. Grammar Works: Student's Book 1.

Cita MLA (8th ed.)

Gammidge, Mick. Grammar Works: Student's Book 1.

Atenció: Aquestes cites poden no estar 100% correctes.