APA (7 वां संस्करण) प्रशस्ति पत्र
Freud Museum (London, England), ebrary, Inc, & Ward, I. (1998). The psychology of nursery education: Papers presented at the Anna Freud Centenary Conference, November 25, 1995. Karnac Books.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र
Freud Museum (London, England), Inc ebrary, और Ivan Ward. The Psychology of Nursery Education: Papers Presented at the Anna Freud Centenary Conference, November 25, 1995. London: Karnac Books, 1998.
एमएलए (9वां संस्करण) प्रशस्ति पत्र
Freud Museum (London, England), et al. The Psychology of Nursery Education: Papers Presented at the Anna Freud Centenary Conference, November 25, 1995. Karnac Books, 1998.
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