Παραπομπή σε μορφή APA (7η εκδ.)

Hoekman, B., Ng, F., & Olarreaga, M. (2003). Reducing agricultural tariffs versus domestic support: What's more important for developing countriesn. Trade, Development Research Group, World Bank.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Hoekman, Bernard, Francis Ng, και Marcelo Olarreaga. Reducing Agricultural Tariffs Versus Domestic Support: What's More Important for Developing Countriesn. Washington, D.C: Trade, Development Research Group, World Bank, 2003.

Παραπομπή σε μορφή MLA (9th εκδ.)

Hoekman, Bernard, et al. Reducing Agricultural Tariffs Versus Domestic Support: What's More Important for Developing Countriesn. Trade, Development Research Group, World Bank, 2003.