Bridwell Norman. (2012). Clifford's big dictionary. Scholastic.
Cita Chicago (17th ed.)Bridwell Norman. Clifford's Big Dictionary. New York: Scholastic, 2012.
Cita MLA (9th ed.)Bridwell Norman. Clifford's Big Dictionary. Scholastic, 2012.
Atenció: Aquestes cites poden no estar 100% correctes.