Fergusson, R., Manser, M., & Pickering, D. (2000). The penguin pocket thesaurus. New York: Penguin books.
Trích dẫn kiểu ChicagoFergusson, Rosalind, Martin Manser, và David Pickering. The Penguin Pocket Thesaurus. New York: Penguin books, 2000.
Deismireacht MLAFergusson, Rosalind, Martin Manser, và David Pickering. The Penguin Pocket Thesaurus. New York: Penguin books, 2000.
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