DRUCKER , P. (1982). THE CHANGING WORLD OF THE EDECUTIVE. TIMES BOOKS.
芝加哥风格引文DRUCKER , P.F. THE CHANGING WORLD OF THE EDECUTIVE. NEW YORK: TIMES BOOKS, 1982.
MLA引文DRUCKER , P.F. THE CHANGING WORLD OF THE EDECUTIVE. TIMES BOOKS, 1982.
警告：这些引文格式不一定是100％准确.