Koopman, S. (2011). Alter-geopolitics: Other securities are happening. Geoforum. https://doi.org/10.1016/j.geoforum.2011.01.007
Koopman, Sara. 2011. “Alter-Geopolitics: Other Securities Are Happening”. Geoforum. https://doi.org/10.1016/j.geoforum.2011.01.007.
Koopman, S. Alter-Geopolitics: Other Securities Are Happening. Geoforum, June 2011, doi:10.1016/j.geoforum.2011.01.007.