ARMSTRONG MICHAEL. (1993). HANDBOOK OF MANAGEMENT TECHNIQUE (2.). KOGAN PAGE.
Cita Chicago (17th ed.)ARMSTRONG MICHAEL. HANDBOOK OF MANAGEMENT TECHNIQUE. 2. NEW JERSEY: KOGAN PAGE, 1993.
Cita MLA (9th ed.)ARMSTRONG MICHAEL. HANDBOOK OF MANAGEMENT TECHNIQUE. 2. KOGAN PAGE, 1993.
Atenció: Aquestes cites poden no estar 100% correctes.