Cita APA (7a ed.)

Byers, A., & Liu, P. (2008). Value-adding standards in the North American food market: Trade opportunities in certified products for developing countries.

Cita Chicago Style (17a ed.)

Byers, Alice, y Pascal Liu. Value-adding Standards in the North American Food Market: Trade Opportunities in Certified Products for Developing Countries. 2008.

Cita MLA (9a ed.)

Byers, Alice, y Pascal Liu. Value-adding Standards in the North American Food Market: Trade Opportunities in Certified Products for Developing Countries. 2008.