Gaya APA

Bradbury, R. et al (2022). E-book Polar Cousins : Comparing Antarctic and Arctic Geostrategic Futures . Canada: University of Calgary Press.

Gaya MLA

Bradbury, Roger. et al. "E-book Polar Cousins : Comparing Antarctic and Arctic Geostrategic Futures". Canada: University of Calgary Press, 2022. Text.