Swanson, H. B. (1976). Communications: Bibliography for agricultural journalism and related courses and seminars. Dept. of Information and Agricultural Journalism.
Cita Chicago (17th ed.)Swanson, Harold B. Communications: Bibliography for Agricultural Journalism and Related Courses and Seminars. Saint Paul, Minnesota: Dept. of Information and Agricultural Journalism, 1976.
Cita MLA (9th ed.)Swanson, Harold B. Communications: Bibliography for Agricultural Journalism and Related Courses and Seminars. Dept. of Information and Agricultural Journalism, 1976.
Atenció: Aquestes cites poden no estar 100% correctes.