ebrary, Inc, Church, M. A., & Slaymaker, O. (1985). Field and theory: Lectures in geocryology = Terrain et théorie : essais de géocryologie. University of British Columbia Press.
Čikaški stil citiranja (17. izdanje)ebrary, Inc, Michael Anthony Church, i Olav Slaymaker. Field and Theory: Lectures in Geocryology = Terrain Et Théorie : Essais De Géocryologie. Vancouver: University of British Columbia Press, 1985.
MLA način citiranja (9. izdanje)ebrary, Inc, et al. Field and Theory: Lectures in Geocryology = Terrain Et Théorie : Essais De Géocryologie. University of British Columbia Press, 1985.
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