JAIN. R.K. (2012). AROUND THE WORLD GEOGRAPHY WORKBOOK & MAP PRACTICE BOOK- 7. RATNA SAGAR.
芝加哥风格引文JAIN. R.K. AROUND THE WORLD GEOGRAPHY WORKBOOK & MAP PRACTICE BOOK- 7. RATNA SAGAR, 2012.
MLA引文JAIN. R.K. AROUND THE WORLD GEOGRAPHY WORKBOOK & MAP PRACTICE BOOK- 7. RATNA SAGAR, 2012.
警告：这些引文格式不一定是100％准确.