Cita APA (7th ed.)

Medalla, E. M., & Yap, J. T. (2008). Policy issues for the ASEAN Economic Community: The rules of origin. Philippine Institute for Development Studies.

Cita Chicago (17th ed.)

Medalla, Erlinda M., i Josef T. Yap. Policy Issues for the ASEAN Economic Community: The Rules of Origin. Makati City: Philippine Institute for Development Studies, 2008.

Cita MLA (9th ed.)

Medalla, Erlinda M., i Josef T. Yap. Policy Issues for the ASEAN Economic Community: The Rules of Origin. Philippine Institute for Development Studies, 2008.