APA

Schaerer P., . (1977). Analysis of snow avalanche terrain. ( Canadian Geotechnical Journal. Vol XIV. 1977, nr 3, Aug, s 281-7). Ottawa: National Research Council Canada. DBR paper nr 721.

Chicago

Schaerer P, . 1977. Analysis of snow avalanche terrain. ( Canadian Geotechnical Journal. Vol XIV. 1977, nr 3, Aug, s 281-7). Ottawa: National Research Council Canada. DBR paper nr 721.

Harvard

Schaerer P., . (1977). Analysis of snow avalanche terrain. ( Canadian Geotechnical Journal. Vol XIV. 1977, nr 3, Aug, s 281-7). Ottawa: National Research Council Canada. DBR paper nr 721.

MLA

Schaerer P, . Analysis of snow avalanche terrain. ( Canadian Geotechnical Journal. Vol XIV. 1977, nr 3, Aug, s 281-7). Ottawa: National Research Council Canada. DBR paper nr 721. 1977.