Dixson, R. J. (1943). Graded exercises in english: For the foreign born. Ao Livro Técnico.
Chicago-Zitierstil (17. Ausg.)Dixson, Robert J. Graded Exercises in English: For the Foreign Born. Rio de Janeiro, RJ: Ao Livro Técnico, 1943.
MLA-Zitierstil (9. Ausg.)Dixson, Robert J. Graded Exercises in English: For the Foreign Born. Ao Livro Técnico, 1943.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.