Brakel, A. (1983). Phonological Markedness and Distinctive Features. Indiana University Press.
Lua i Stíl Chicago (17ú heag.)Brakel, Arthur. Phonological Markedness and Distinctive Features. Bloomington [Ind.]: Indiana University Press, 1983.
Lua MLA (9ú heag.)Brakel, Arthur. Phonological Markedness and Distinctive Features. Indiana University Press, 1983.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.