Citazione Stile APA (7a Edizione)

DRUCKER , P. (1995). MANAGING AT TIME OF GREAT CHANGE. MAGRAW HILL.

Citazione stile Chigago Style (17a edizione)

DRUCKER , P.F. MANAGING AT TIME OF GREAT CHANGE. OXFORD: MAGRAW HILL, 1995.

Citatione MLA (9a ed.)

DRUCKER , P.F. MANAGING AT TIME OF GREAT CHANGE. MAGRAW HILL, 1995.