Cita APA (7a ed.)

Aitken R. Rosemary. (2002). Teaching Tenses. Ideas for presenting and practising tenses in English. Brighton, ELB Publishing, 2002.

Cita Chicago Style (17a ed.)

Aitken R. Rosemary. Teaching Tenses. Ideas for Presenting and Practising Tenses in English. Brighton, ELB Publishing, 2002, 2002.

Cita MLA (9a ed.)

Aitken R. Rosemary. Teaching Tenses. Ideas for Presenting and Practising Tenses in English. Brighton, ELB Publishing, 2002, 2002.