Lionberger, H. F., & Gwin, P. H. (1982). Communication strategies: A guide for agricultural change agents. Interstate Printers & Publishers.
Citazione stile Chigago Style (17a edizione)Lionberger, Herbert F., e Paul H. Gwin. Communication Strategies: A Guide for Agricultural Change Agents. Danville, Ill: Interstate Printers & Publishers, 1982.
Citatione MLA (9a ed.)Lionberger, Herbert F., e Paul H. Gwin. Communication Strategies: A Guide for Agricultural Change Agents. Interstate Printers & Publishers, 1982.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.