APA (7 वां संस्करण) प्रशस्ति पत्र
O'Sullivan, J. (2009). Leadership skills in the early years: Making a difference. Network Continuum.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र
O'Sullivan, June. Leadership Skills in the Early Years: Making a Difference. London ; New York: Network Continuum, 2009.
एमएलए (9वां संस्करण) प्रशस्ति पत्र
O'Sullivan, June. Leadership Skills in the Early Years: Making a Difference. Network Continuum, 2009.
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