Cita APA (7th ed.)

ENG ROBERT. (1986). PROMOTIONAL MANAGEMENT. PRENTICE -HALL INTERNATIONAL, INC.

Cita Chicago (17th ed.)

ENG ROBERT. PROMOTIONAL MANAGEMENT. USA: PRENTICE -HALL INTERNATIONAL, INC, 1986.

Cita MLA (9th ed.)

ENG ROBERT. PROMOTIONAL MANAGEMENT. PRENTICE -HALL INTERNATIONAL, INC, 1986.