APA-Zitierstil (7. Ausg.)

Valletti, T. M., Hörnig, S., & Barros, P. P. (2001). Universal service and entry: The role of uniform pricing and coverage constraints. CEPR.

Chicago-Zitierstil (17. Ausg.)

Valletti, Tommaso M., Steffen Hörnig, und Pedro Pita Barros. Universal Service and Entry: The Role of Uniform Pricing and Coverage Constraints. London: CEPR, 2001.

MLA-Zitierstil (9. Ausg.)

Valletti, Tommaso M., et al. Universal Service and Entry: The Role of Uniform Pricing and Coverage Constraints. CEPR, 2001.