Das Shashiprabha. Pappu's Problem. National Book Trust.
Chicago Style (17th ed.) CitationDas Shashiprabha. Pappu's Problem. 2004 2004: National Book Trust.
ציטוט MLADas Shashiprabha. Pappu's Problem. National Book Trust.
אזהרה: ציטוטים אלה לעיתים לא מדויקים ב 100%.