Lewy, E. (1947). English: A handbook for the foreigner. Longman.
Chicago-čujuhus (17. p.)Lewy, Erich. English: A Handbook for the Foreigner. London: Longman, 1947.
MLA-čujuhus (9. p.)Lewy, Erich. English: A Handbook for the Foreigner. Longman, 1947.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.