DE SALES, R. R. (2017). French verb drills. Mc Graw HIll Education.
Čikaški stil citiranja (17. izdanje)DE SALES, R.de Roussy. French Verb Drills. Mc Graw HIll Education, 2017.
MLA način citiranja (9. izdanje)DE SALES, R.de Roussy. French Verb Drills. Mc Graw HIll Education, 2017.
Upozorenje: Ovi citati možda nisu uvijek 100% točni.