Dyfyniad APA

(2003).  Taking stock: Regional fishery managment councils.  PEW.

Dyfyniad Arddull Chicago

 Taking Stock: Regional Fishery Managment Councils.  PEW, 2003.

Dyfyniad MLA

 Taking Stock: Regional Fishery Managment Councils.  PEW, 2003.

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