APA引文

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

芝加哥风格引文

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

MLA引文

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

警告:这些引文格式不一定是100%准确.