Lerch, D. G. (1960). Dissemination of farm information through newspapers, magazines, radio and television; a story of the service in the United States, including how they developed, function, and are financed. International Cooperation Administration.
芝加哥风格引文Lerch, Donald G. Dissemination of Farm Information Through Newspapers, Magazines, Radio and Television; a Story of the Service in the United States, Including How They Developed, Function, and Are Financed. Washington: International Cooperation Administration, 1960.
MLA引文Lerch, Donald G. Dissemination of Farm Information Through Newspapers, Magazines, Radio and Television; a Story of the Service in the United States, Including How They Developed, Function, and Are Financed. International Cooperation Administration, 1960.