APA (7 वां संस्करण) प्रशस्ति पत्र

Rixen, C., & Rolando, A. (2013). The Impacts of Skiing and Related Winter Recreational Activities on Mountain Environments. Bentham Science Publishers.

शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र

Rixen, Christian, और Antonio Rolando. The Impacts of Skiing and Related Winter Recreational Activities on Mountain Environments. Bentham Science Publishers, 2013.

एमएलए (9वां संस्करण) प्रशस्ति पत्र

Rixen, Christian, और Antonio Rolando. The Impacts of Skiing and Related Winter Recreational Activities on Mountain Environments. Bentham Science Publishers, 2013.

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