Morgan, J. (1988). The Q book: Practising interrogatives in reading, speaking and writing. Longman.
Cita Chicago (17th ed.)Morgan, John. The Q Book: Practising Interrogatives in Reading, Speaking and Writing. Essex: Longman, 1988.
Cita MLA (9th ed.)Morgan, John. The Q Book: Practising Interrogatives in Reading, Speaking and Writing. Longman, 1988.
Atenció: Aquestes cites poden no estar 100% correctes.