Hopper, V. F. e. a. (2000). Essentials of English: A practical handbook covering all the rules of english grammar and writing style. Washington (State) : BARRON`S.
Citación estilo ChicagoHopper, Vincent F. et. al. Essentials of English: A Practical Handbook Covering All the Rules of English Grammar and Writing Style. Washington (State) : BARRON`S, 2000.
Cita MLAHopper, Vincent F. et. al. Essentials of English: A Practical Handbook Covering All the Rules of English Grammar and Writing Style. Washington (State) : BARRON`S, 2000.
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