(2007). Competing for contacts: Network competition, trade intermediation and fragmented duopoly. University of Oxford.
Chicago-viite (17. p.)Competing for Contacts: Network Competition, Trade Intermediation and Fragmented Duopoly. University of Oxford, 2007.
MLA-viite (9. p.)Competing for Contacts: Network Competition, Trade Intermediation and Fragmented Duopoly. University of Oxford, 2007.
Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.