Merriam-Webster, I. (2015). Merriam-Webster's essential learner's English dictionary. Springfield, Massachusetts: Merriam-Webster, Inc..
Citación estilo ChicagoMerriam-Webster, Inc. Merriam-Webster's Essential Learner's English Dictionary. Springfield, Massachusetts: Merriam-Webster, Inc., 2015.
Cita MLAMerriam-Webster, Inc. Merriam-Webster's Essential Learner's English Dictionary. Springfield, Massachusetts: Merriam-Webster, Inc., 2015.
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