DE SALES, R. R. (2017). French verb drills. Mc Graw HIll Education.
Chicago-čujuhus (17. p.)DE SALES, R.de Roussy. French Verb Drills. Mc Graw HIll Education, 2017.
MLA-čujuhus (9. p.)DE SALES, R.de Roussy. French Verb Drills. Mc Graw HIll Education, 2017.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.