Não informado. (1969). Incentive marketing. Bill Communications.
Chicagoスタイル(17版)引用形式Não informado. Incentive Marketing. New York: Bill Communications, 1969.
MLA(8版)引用形式Não informado. Incentive Marketing. Bill Communications, 1969.
警告: この引用は必ずしも正確ではありません.