Cita APA (7th ed.)

NASH EDWARD L EDT. (1984). DIRECT MARKETING HANDBOOK. MCGRAW-HILL.

Cita Chicago (17th ed.)

NASH EDWARD L EDT. DIRECT MARKETING HANDBOOK. NEW YORK: MCGRAW-HILL, 1984.

Cita MLA (9th ed.)

NASH EDWARD L EDT. DIRECT MARKETING HANDBOOK. MCGRAW-HILL, 1984.