APA (7 वां संस्करण) प्रशस्ति पत्र
Helweg-Larsen, K. (2009). Framework for Nordic youth surveys on child sexual abuse and exposure to violence outside and in the family. Nordic Council of Ministers.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र
Helweg-Larsen, Karin. Framework for Nordic Youth Surveys on Child Sexual Abuse and Exposure to Violence Outside and in the Family. Copenhagen: Nordic Council of Ministers, 2009.
एमएलए (9वां संस्करण) प्रशस्ति पत्र
Helweg-Larsen, Karin. Framework for Nordic Youth Surveys on Child Sexual Abuse and Exposure to Violence Outside and in the Family. Nordic Council of Ministers, 2009.
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