Ekerholm, H. Cultural meanings of wood gas automobile fuel in Schweden, 130-1945: Helena Ekerholm. Past and present energy societies : how energy connects politics, technologies and cultures.(2012).
Citazione stile Chigago Style (17a edizione)Ekerholm, Helena. "Cultural Meanings of Wood Gas Automobile Fuel in Schweden, 130-1945: Helena Ekerholm." Past and Present Energy Societies : How Energy Connects Politics, Technologies and Cultures.(2012) .
Citatione MLA (8a ed.)Ekerholm, Helena. "Cultural Meanings of Wood Gas Automobile Fuel in Schweden, 130-1945: Helena Ekerholm." Past and Present Energy Societies : How Energy Connects Politics, Technologies and Cultures.(2012), .
Attenzione: Queste citazioni potrebbero non essere precise al 100%.