Dewdney, A. (2011). Grumpy Gloria. Scholastic.
Cita Chicago (17th ed.)Dewdney, Anna. Grumpy Gloria. New York: Scholastic, 2011.
Cita MLA (8th ed.)Dewdney, Anna. Grumpy Gloria. Scholastic, 2011.
Atenció: Aquestes cites poden no estar 100% correctes.