Nolet, B. A. (1994). Return of the beaver to the Netherlands: Viability and prospects of a re-introduced population. Rijksuniversiteit te Groningen.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रNolet, Bartholomeus Andreas. Return of the Beaver to the Netherlands: Viability and Prospects of a Re-introduced Population. Netherlands: Rijksuniversiteit te Groningen, 1994.
एमएलए (8वां संस्करण) प्रशस्ति पत्रNolet, Bartholomeus Andreas. Return of the Beaver to the Netherlands: Viability and Prospects of a Re-introduced Population. Rijksuniversiteit te Groningen, 1994.
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