Ball, M. J., & Müller, N. (2015). The celtic languages (2nd edition, first issued in paperback.). Routledge, Taylor & Francis Group.
Chicago-Zitierstil (17. Ausg.)Ball, Martin J., und Nicole Müller. The Celtic Languages. 2nd edition, first issued in paperback. London, New York: Routledge, Taylor & Francis Group, 2015.
MLA-Zitierstil (9. Ausg.)Ball, Martin J., und Nicole Müller. The Celtic Languages. 2nd edition, first issued in paperback. Routledge, Taylor & Francis Group, 2015.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.