Cita APA (7a ed.)
Vårdal, E. (2009). Norway's Domestic Support.
Cita Chicago Style (17a ed.)
Vårdal, Erling. Norway's Domestic Support. 2009.
Cita MLA (9a ed.)
Vårdal, Erling. Norway's Domestic Support. 2009.
Precaución: Estas citas no son 100% exactas.