Usha Pandit. (2011). Empowering English (New Revised Edition) Grade 7.
芝加哥风格引文Usha Pandit. Empowering English (New Revised Edition) Grade 7. 2011.
MLA引文Usha Pandit. Empowering English (New Revised Edition) Grade 7. 2011.
警告：这些引文格式不一定是100％准确.
APA引文