Dyfyniad APA

Beghin, J. C., Beladi, H., Choi, E. K., & University, I. S. (2013). Nontariff measures with market imperfections: Trade and welfare implications. Emerald Group Publishing Limited.

Dyfyniad Arddull Chicago

Beghin, John C., Hamid Beladi, E. Kwan Choi, and Iowa State University. Nontariff Measures with Market Imperfections: Trade and Welfare Implications. Bradford: Emerald Group Publishing Limited, 2013.

Dyfyniad MLA

Beghin, John C., et al. Nontariff Measures with Market Imperfections: Trade and Welfare Implications. Emerald Group Publishing Limited, 2013.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.