Cita APA (7th ed.)

Mayne, W. (1979). While the bells ring. Hamish Hamilton Children's Books Ltd.

Cita Chicago (17th ed.)

Mayne, William. While the Bells Ring. Londres: Hamish Hamilton Children's Books Ltd, 1979.

Cita MLA (9th ed.)

Mayne, William. While the Bells Ring. Hamish Hamilton Children's Books Ltd, 1979.