Cita APA (7th ed.)

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

Cita Chicago (17th ed.)

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

Cita MLA (9th ed.)

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