Cita APA (7th ed.)

HEYEL CARL EDT. (1963). ENCYCLOPEDIA OF MANAGEMENT. VAN NASTRRED REINHOLD.

Cita Chicago (17th ed.)

HEYEL CARL EDT. ENCYCLOPEDIA OF MANAGEMENT. LONDON: VAN NASTRRED REINHOLD, 1963.

Cita MLA (9th ed.)

HEYEL CARL EDT. ENCYCLOPEDIA OF MANAGEMENT. VAN NASTRRED REINHOLD, 1963.