Lua APA (7ú heag.)
Johnstone, B. (2015). Pittsburgh speech and Pittsburghese. De Gruyter Mouton.
Lua i Stíl Chicago (17ú heag.)
Johnstone, Barbara. Pittsburgh Speech and Pittsburghese. Berlin, [Germany] ; Boston, [Massachusetts]: De Gruyter Mouton, 2015.
Lua MLA (9ú heag.)
Johnstone, Barbara. Pittsburgh Speech and Pittsburghese. De Gruyter Mouton, 2015.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.