APA-viite (7. p.)

Valletti, T. M., & Estache, A. (1999). The theory of access pricing: An overview for infrastructure regulators. World Bank.

Chicago-viite (17. p.)

Valletti, Tommaso M., ja Antonio Estache. The Theory of Access Pricing: An Overview for Infrastructure Regulators. Washington, D.C: World Bank, 1999.

MLA-viite (9. p.)

Valletti, Tommaso M., ja Antonio Estache. The Theory of Access Pricing: An Overview for Infrastructure Regulators. World Bank, 1999.