APA引文

Das Shashiprabha. Pappu's Problem. National Book Trust.

芝加哥风格引文

Das Shashiprabha. Pappu's Problem. 2004 2004: National Book Trust.

MLA引文

Das Shashiprabha. Pappu's Problem. National Book Trust.

警告：这些引文格式不一定是100％准确.