Cita APA (7th ed.)

Baysan, T., Panagariya, A., & Pitigala, N. (2006). Preferential trading in South Asia. World Bank.

Cita Chicago (17th ed.)

Baysan, Tercan, Arvind Panagariya, i Nihal Pitigala. Preferential Trading in South Asia. Washington, D.C: World Bank, 2006.

Cita MLA (9th ed.)

Baysan, Tercan, et al. Preferential Trading in South Asia. World Bank, 2006.