Style de citation APA

Pilgert, H. P. (1951). The history of the development of information services through information centers and documentary films. Office of the U.S. High Commissioner for Germany, Historical Division, Office of the Executive Secretary.

Style de citation Chicago

Pilgert, Henry P. The History of the Development of Information Services Through Information Centers and Documentary Films. Bad Godesberg: Office of the U.S. High Commissioner for Germany, Historical Division, Office of the Executive Secretary, 1951.

Style de citation MLA

Pilgert, Henry P. The History of the Development of Information Services Through Information Centers and Documentary Films. Office of the U.S. High Commissioner for Germany, Historical Division, Office of the Executive Secretary, 1951.