Cita APA (7th ed.)

WITZEL MORGEN. (2003). FIFTY KEY FIGURES IN MANAGEMENT. ROUTLEDGE & KOGAN PRESS.

Cita Chicago (17th ed.)

WITZEL MORGEN. FIFTY KEY FIGURES IN MANAGEMENT. LONDON: ROUTLEDGE & KOGAN PRESS, 2003.

Cita MLA (9th ed.)

WITZEL MORGEN. FIFTY KEY FIGURES IN MANAGEMENT. ROUTLEDGE & KOGAN PRESS, 2003.