Lua APA (7ú heag.)
Jessen, M. (1998). Phonetics and phonology of tense and lax obstruents in German. John Benjamins Pub. Co..
Lua i Stíl Chicago (17ú heag.)
Jessen, Michael. Phonetics and Phonology of Tense and Lax Obstruents in German. Amsterdam ; Philadelphia: John Benjamins Pub. Co., 1998.
Lua MLA (9ú heag.)
Jessen, Michael. Phonetics and Phonology of Tense and Lax Obstruents in German. John Benjamins Pub. Co., 1998.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.