Cita APA (7th ed.)

Kee, H. L., Nicita, A., & Olarreaga, M. (2006). Estimating trade restrictiveness indices. World Bank.

Cita Chicago (17th ed.)

Kee, Hiau Looi, Alessandro Nicita, i Marcelo Olarreaga. Estimating Trade Restrictiveness Indices. Washington, D.C: World Bank, 2006.

Cita MLA (9th ed.)

Kee, Hiau Looi, et al. Estimating Trade Restrictiveness Indices. World Bank, 2006.