Cita APA (7th ed.)

ASSEN MARCEL VAN. (2010). KEY MANAGEMENT MODELS. PEARSON.

Cita Chicago (17th ed.)

ASSEN MARCEL VAN. KEY MANAGEMENT MODELS. BOSTON: PEARSON, 2010.

Cita MLA (9th ed.)

ASSEN MARCEL VAN. KEY MANAGEMENT MODELS. PEARSON, 2010.