DRUCKER PETER F. (1980). MANAGING IN TURBULENT TIMES. ALLIED PUBLISHERS.
芝加哥风格引文DRUCKER PETER F. MANAGING IN TURBULENT TIMES. MUMBAI: ALLIED PUBLISHERS, 1980.
MLA引文DRUCKER PETER F. MANAGING IN TURBULENT TIMES. ALLIED PUBLISHERS, 1980.
警告：这些引文格式不一定是100％准确.