Lua APA (7ú heag.)
ebrary, Inc, Breivik, L. E., & Jahr, E. H. (1989). Language change: Contributions to the study of its causes. Mouton de Gruyter.
Lua i Stíl Chicago (17ú heag.)
ebrary, Inc, Leiv Egil Breivik, agus Ernst Håkon Jahr. Language Change: Contributions to the Study of Its Causes. Berlin ; New York: Mouton de Gruyter, 1989.
Lua MLA (9ú heag.)
ebrary, Inc, et al. Language Change: Contributions to the Study of Its Causes. Mouton de Gruyter, 1989.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.