Schuchardt, H. E. M., Vennemann, T., & Wilbur, T. H. (1972). Schuchardt, the neogrammarians, and the transformational theory of phonological change: Four essays. Athenäum Verlag.
Lua i Stíl Chicago (17ú heag.)Schuchardt, Hugo Ernst Mario, Theo Vennemann, agus Terence H. Wilbur. Schuchardt, the Neogrammarians, and the Transformational Theory of Phonological Change: Four Essays. [Frankfurt/M.]: Athenäum Verlag, 1972.
Lua MLA (8ú heag.)Schuchardt, Hugo Ernst Mario, et al. Schuchardt, the Neogrammarians, and the Transformational Theory of Phonological Change: Four Essays. Athenäum Verlag, 1972.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.