Dutta Arup Kumar. The Crystal Cave. National Book Trust.
芝加哥风格引文Dutta Arup Kumar. The Crystal Cave. 1997 1997: National Book Trust.
MLA引文Dutta Arup Kumar. The Crystal Cave. National Book Trust.
警告：这些引文格式不一定是100％准确.
APA引文
Dutta Arup Kumar. The Crystal Cave. National Book Trust.
芝加哥风格引文Dutta Arup Kumar. The Crystal Cave. 1997 1997: National Book Trust.
MLA引文Dutta Arup Kumar. The Crystal Cave. National Book Trust.