(2015). Merriam Webster online dictionary Merriam-Webster. [electronic resource].
Cita Chicago (17th ed.)Merriam Webster Online Dictionary Merriam-Webster. [electronic Resource]. 2015.
Cita MLA (9th ed.)Merriam Webster Online Dictionary Merriam-Webster. [electronic Resource]. 2015.
Atenció: Aquestes cites poden no estar 100% correctes.