DE SALES, R. R. (2017). French verb drills. Mc Graw HIll Education.
Cita Chicago (17th ed.)DE SALES, R.de Roussy. French Verb Drills. Mc Graw HIll Education, 2017.
Cita MLA (9th ed.)DE SALES, R.de Roussy. French Verb Drills. Mc Graw HIll Education, 2017.
Atenció: Aquestes cites poden no estar 100% correctes.