FRASEN ROBINSON JOHN. (1989). SECRETS OF EFFECTIVE DIRECT MAIL. MCGRAW-HILL.
Chicagoスタイル(17版)引用形式FRASEN ROBINSON JOHN. SECRETS OF EFFECTIVE DIRECT MAIL. LONDON: MCGRAW-HILL, 1989.
MLA(9版)引用形式FRASEN ROBINSON JOHN. SECRETS OF EFFECTIVE DIRECT MAIL. MCGRAW-HILL, 1989.
警告: この引用は必ずしも正確ではありません.