Voigt, K., & Lipgens, W. (1984). Continental Plans for Eurpean Union 1939 - 1945: Ideas of the Italian Resistance. Walter de Gruyter.
Citazione stile Chigago Style (17a edizione)Voigt, Klaus, e Walter Lipgens. Continental Plans for Eurpean Union 1939 - 1945: Ideas of the Italian Resistance. Berlin; New York: Walter de Gruyter, 1984.
Citatione MLA (8a ed.)Voigt, Klaus, e Walter Lipgens. Continental Plans for Eurpean Union 1939 - 1945: Ideas of the Italian Resistance. Walter de Gruyter, 1984.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.