Kiefer, F., & Ruwet, N. (1973). Generative grammar in Europe. D. Reidel.
Lua i Stíl Chicago (17ú heag.)Kiefer, Ferenc, agus Nicolas Ruwet. Generative Grammar in Europe. Dordrecht: D. Reidel, 1973.
Lua MLA (8ú heag.)Kiefer, Ferenc, agus Nicolas Ruwet. Generative Grammar in Europe. D. Reidel, 1973.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.