APA引文

DRUCKER , P. (1982). THE EFFACTIVE EXECUTIVE. PAN BOOKS.

芝加哥风格引文

DRUCKER , P.F. THE EFFACTIVE EXECUTIVE. GREAT BRITAIN: PAN BOOKS, 1982.

MLA引文

DRUCKER , P.F. THE EFFACTIVE EXECUTIVE. PAN BOOKS, 1982.

警告：这些引文格式不一定是100％准确.