Pitelis, C., & Sugden, R. (1991). The Nature of the transnational firm. Routledge.
Chicago-čujuhus (17. p.)Pitelis, Christos, juo Roger Sugden. The Nature of the Transnational Firm. London ; New York: Routledge, 1991.
MLA-čujuhus (9. p.)Pitelis, Christos, juo Roger Sugden. The Nature of the Transnational Firm. Routledge, 1991.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.