Palmer, Frank R. 1986. Mood and modality. Cambridge: Cambridge University Press.
@book{1179, address = {Cambridge}, author = {Palmer, Frank R.}, booktitle = {Mood and modality}, key = {Palmer 1986}, publisher = {Cambridge University Press}, title = {Mood and modality}, url = {https://books.google.de/books?id=xKUvDFTARR8C}, year = {1986} }