Voigt, K., & Lipgens, W. (1984). Continental Plans for Eurpean Union 1939 - 1945: Ideas of the Italian Resistance. Walter de Gruyter.
Chicago-Zitierstil (17. Ausg.)Voigt, Klaus, 与 Walter Lipgens. Continental Plans for Eurpean Union 1939 - 1945: Ideas of the Italian Resistance. Berlin; New York: Walter de Gruyter, 1984.
MLA-Zitierstil (8. Ausg.)Voigt, Klaus, 与 Walter Lipgens. Continental Plans for Eurpean Union 1939 - 1945: Ideas of the Italian Resistance. Walter de Gruyter, 1984.
警告：这些引文格式不一定是100％准确.