Degand, L., Cornillie, B., & Pietrandrea, P. (2013). Discourse markers and modal particles: Categorization and description. John Benjamins Publishing Company.
Lua i Stíl Chicago (17ú heag.)Degand, Liesbeth, Bert Cornillie, agus Paola Pietrandrea. Discourse Markers and Modal Particles: Categorization and Description. Amsterdam ; Philadelphia: John Benjamins Publishing Company, 2013.
Lua MLA (9ú heag.)Degand, Liesbeth, et al. Discourse Markers and Modal Particles: Categorization and Description. John Benjamins Publishing Company, 2013.
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