APA (7 वां संस्करण) प्रशस्ति पत्र
ebrary, Inc. (2010). Implementing the selfoss declaration: Recommendations to Nordic forestry. Nordic Council of Ministers.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र
ebrary, Inc. Implementing the Selfoss Declaration: Recommendations to Nordic Forestry. Copenhagen: Nordic Council of Ministers, 2010.
एमएलए (9वां संस्करण) प्रशस्ति पत्र
ebrary, Inc. Implementing the Selfoss Declaration: Recommendations to Nordic Forestry. Nordic Council of Ministers, 2010.
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