APA aipamena

FRASEN ROBINSON JOHN. (1989). SECRETS OF EFFECTIVE DIRECT MAIL. MCGRAW-HILL.

Chicago Style aipamena

FRASEN ROBINSON JOHN. SECRETS OF EFFECTIVE DIRECT MAIL. LONDON: MCGRAW-HILL, 1989.

MLA aipamena

FRASEN ROBINSON JOHN. SECRETS OF EFFECTIVE DIRECT MAIL. MCGRAW-HILL, 1989.