Guðrún Helga Sederholm. (2003). Counselling young people in school. J. Kingsley Publishers.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रGuðrún Helga Sederholm. Counselling Young People in School. London ; Philadelphia: J. Kingsley Publishers, 2003.
एमएलए (9वां संस्करण) प्रशस्ति पत्रGuðrún Helga Sederholm. Counselling Young People in School. J. Kingsley Publishers, 2003.
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