APA-referens (7:e uppl.)

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

Chicago-referens (17:e uppl.)

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

MLA-referens (9:e uppl.)

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