Cita APA (7th ed.)

DRUCKER , P. (1989). MANAGEMENT TASKS RESPONSIBILITIES PRACTICES. ALLIED PUB.

Cita Chicago (17th ed.)

DRUCKER , P.F. MANAGEMENT TASKS RESPONSIBILITIES PRACTICES. AHMEDABAD: ALLIED PUB, 1989.

Cita MLA (9th ed.)

DRUCKER , P.F. MANAGEMENT TASKS RESPONSIBILITIES PRACTICES. ALLIED PUB, 1989.