Stone Bob. (1992). Successful direct marketing methods. NTC Bus Books.
Chicagoスタイル(17版)引用形式Stone Bob. Successful Direct Marketing Methods. Chicago: NTC Bus Books, 1992.
MLA(9版)引用形式Stone Bob. Successful Direct Marketing Methods. NTC Bus Books, 1992.
警告: この引用は必ずしも正確ではありません.