DE SALES, R. R. (2017). French verb drills. Mc Graw HIll Education.
芝加哥风格引文DE SALES, R.de Roussy. French Verb Drills. Mc Graw HIll Education, 2017.
MLA引文DE SALES, R.de Roussy. French Verb Drills. Mc Graw HIll Education, 2017.
警告：这些引文格式不一定是100％准确.
APA引文