Aitken R. Rosemary. (2002). Teaching Tenses. Ideas for presenting and practising tenses in English. Brighton, ELB Publishing, 2002.
Cita Chicago (17th ed.)Aitken R. Rosemary. Teaching Tenses. Ideas for Presenting and Practising Tenses in English. Brighton, ELB Publishing, 2002, 2002.
Cita MLA (9th ed.)Aitken R. Rosemary. Teaching Tenses. Ideas for Presenting and Practising Tenses in English. Brighton, ELB Publishing, 2002, 2002.
Atenció: Aquestes cites poden no estar 100% correctes.