APA (7 वां संस्करण) प्रशस्ति पत्र
International Development Research Centre (IDRC). (1983). Preventing school failkure: The relationship between preschool and primary education : proceedings of a workshop on preschool research held in Bogotá, Colombia, 26-29 may 1981.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र
International Development Research Centre (IDRC). Preventing School Failkure: The Relationship Between Preschool and Primary Education : Proceedings of a Workshop on Preschool Research Held in Bogotá, Colombia, 26-29 May 1981. 1983.
एमएलए (9वां संस्करण) प्रशस्ति पत्र
International Development Research Centre (IDRC). Preventing School Failkure: The Relationship Between Preschool and Primary Education : Proceedings of a Workshop on Preschool Research Held in Bogotá, Colombia, 26-29 May 1981. 1983.
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