Stenham, P. (2009). Tusk Tusk. Faber and Faber Ltd.
Cita Chicago (17th ed.)Stenham, Polly. Tusk Tusk. Faber and Faber Ltd, 2009.
Cita MLA (9th ed.)Stenham, Polly. Tusk Tusk. Faber and Faber Ltd, 2009.
Atenció: Aquestes cites poden no estar 100% correctes.