HYVÖNEN, Saara. Integration in Vertical Marketing Systems : A Study on Power and Contractual Relationships between Wholesaler and Retailers. 1. ed. Helsinki : School of Economics and Business Administration, 1990. 250 s. Acta Academiae Oeconomicae Helsingiensis, 72. [Počet ex. : 1, z toho voľných 1, prezenčne 0]