Cita APA (7th ed.)

Pitelis, C., & Sugden, R. (1991). The Nature of the transnational firm. Routledge.

Cita Chicago (17th ed.)

Pitelis, Christos, i Roger Sugden. The Nature of the Transnational Firm. London ; New York: Routledge, 1991.

Cita MLA (9th ed.)

Pitelis, Christos, i Roger Sugden. The Nature of the Transnational Firm. Routledge, 1991.