APA (7 वां संस्करण) प्रशस्ति पत्र

Rixen, C. (2002). Artificial snow and snow additives on ski pistes: Interactions between snow cover, soil and vegetation. Universität Zürich.

शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र

Rixen, Christian. Artificial Snow and Snow Additives on Ski Pistes: Interactions Between Snow Cover, Soil and Vegetation. Switzerland: Universität Zürich, 2002.

एमएलए (8वां संस्करण) प्रशस्ति पत्र

Rixen, Christian. Artificial Snow and Snow Additives on Ski Pistes: Interactions Between Snow Cover, Soil and Vegetation. Universität Zürich, 2002.