Stuart J. Murphy. (2005). Hamster Champs (MathStart 3). HarperCollins.
Cita Chicago (17th ed.)Stuart J. Murphy. Hamster Champs (MathStart 3). HarperCollins, 2005.
Cita MLA (9th ed.)Stuart J. Murphy. Hamster Champs (MathStart 3). HarperCollins, 2005.
Atenció: Aquestes cites poden no estar 100% correctes.