Leiss, E., & Abraham, W. (2014). Modes of modality: Modality, typology, and universal grammar. John Benjamins Publishing Company.
Chicago-čujuhus (17. p.)Leiss, Elisabeth, juo Werner Abraham. Modes of Modality: Modality, Typology, and Universal Grammar. Amsterdam: John Benjamins Publishing Company, 2014.
MLA-čujuhus (9. p.)Leiss, Elisabeth, juo Werner Abraham. Modes of Modality: Modality, Typology, and Universal Grammar. John Benjamins Publishing Company, 2014.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.