Murray, W., & Aitchison, M. (1972). Let me write. Ladybird Books.
Cita Chicago (17th ed.)Murray, William, i Martin Aitchison. Let Me Write. Loughborough [England]: Ladybird Books, 1972.
Cita MLA (9th ed.)Murray, William, i Martin Aitchison. Let Me Write. Ladybird Books, 1972.
Atenció: Aquestes cites poden no estar 100% correctes.