Dovring, F., & Dovring, K. (1972). The optional society: An essay on economic choice and bargains of communication in an affluent world. Nijhoff.
芝加哥风格引文Dovring, Folke, 与 Karin Dovring. The Optional Society: An Essay on Economic Choice and Bargains of Communication in an Affluent World. The Hague: Nijhoff, 1972.
MLA引文Dovring, Folke, 与 Karin Dovring. The Optional Society: An Essay on Economic Choice and Bargains of Communication in an Affluent World. Nijhoff, 1972.
警告：这些引文格式不一定是100％准确.