Berlitz, M. D. (1928). Method for teaching modern languages: English part for adults (197. ed.). <<The>> Berlitz School Cronbach.
Lua i Stíl Chicago (17ú heag.)Berlitz, Maximilian D. Method for Teaching Modern Languages: English Part for Adults. 197. ed. London [u.a.] Berlin: <<The>> Berlitz School Cronbach, 1928.
Lua MLA (9ú heag.)Berlitz, Maximilian D. Method for Teaching Modern Languages: English Part for Adults. 197. ed. <<The>> Berlitz School Cronbach, 1928.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.