Dyfyniad APA

Quarterly Review (02715287). Federal Reserve Bank of Minneapolis.

Dyfyniad Arddull Chicago

Quarterly Review (02715287). Federal Reserve Bank of Minneapolis.

Dyfyniad MLA

Quarterly Review (02715287). Federal Reserve Bank of Minneapolis.

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