Papworth, J., & Egan, E. (1987). The human factor in the global crisis.
Chicago Style (17th ed.) CitationPapworth, John, and Eileen Egan. The Human Factor in the Global Crisis. 1987.
MLA引文Papworth, John, and Eileen Egan. The Human Factor in the Global Crisis. 1987.
警告：这些引文格式不一定是100％准确.