Reference: Siadhail 1995

Siadhail, Mícheál Ó. 1995. Learning Irish: an introductory self-tutor. Yale University Press.

@book{siadhail1995irish,
  author    = {Mícheál Ó Siadhail},
  publisher = {Yale University Press},
  title     = {Learning Irish: an introductory self-tutor},
  year      = {1995}
}