Borsley et al. 2007

Borsley, Robert D. and Tallerman, Maggie and Willis, David. 2007. The Syntax of Welsh. Cambridge University Press.

@book{audersetinterrog-borsleysyntax2007,
  author    = {Borsley, Robert D. and Tallerman, Maggie and Willis, David},
  publisher = {Cambridge University Press},
  title     = {The Syntax of Welsh},
  year      = {2007}
}