Li, Charles N.; Thompson, Sandra A. Subject and Topic: A New Typology of Language. Charles N. Li (编). Subject and Topic. New York: Academic Press. 1976. ISBN 978-0-12-447350-8.
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Kenesei, Istvan; Vago, Robert M.; Fenyvesi, Anna. 1.12. Topic. Hungarian. Routledge. 2002 [2021-12-25]. ISBN 978-1-134-97646-1. (原始内容存档于2021-01-18).