Beastly Boys (Writers' group) & Duddle, J. (2011). The big beast sale. Simon & Schuster Children's.
Cita Chicago (17th ed.)Beastly Boys (Writers' group) i Jonny Duddle. The Big Beast Sale. london: Simon & Schuster Children's, 2011.
Cita MLA (8th ed.)Beastly Boys (Writers' group) i Jonny Duddle. The Big Beast Sale. Simon & Schuster Children's, 2011.
Atenció: Aquestes cites poden no estar 100% correctes.