Dyfyniad APA

Singer, H. (2003). Regional trading arrangements. B R Publication Corporaton.

Dyfyniad Arddull Chicago

Singer, Hans. Regional Trading Arrangements. Delhi: B R Publication Corporaton, 2003.

Dyfyniad MLA

Singer, Hans. Regional Trading Arrangements. B R Publication Corporaton, 2003.

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