Press and Information Administration of the German Federal Government., & Helmut Arents. (1965). الاقتصاد والتجارة الخارجية. Wiesbaden, Germany: Wiesbadter Krafiche Betribe Press.
استشهاد بنمط شيكاغوPress and Information Administration of the German Federal Government., و Helmut Arents. الاقتصاد والتجارة الخارجية. Wiesbaden, Germany: Wiesbadter Krafiche Betribe Press, 1965.
MLA استشهادPress and Information Administration of the German Federal Government., و Helmut Arents. الاقتصاد والتجارة الخارجية. Wiesbaden, Germany: Wiesbadter Krafiche Betribe Press, 1965.
