Dyfyniad APA

(2007). Environmental performance review: Republic of Serbia.2nd review. UN.

Dyfyniad Arddull Chicago

Environmental Performance Review: Republic of Serbia.2nd Review. UN, 2007.

Dyfyniad MLA

Environmental Performance Review: Republic of Serbia.2nd Review. UN, 2007.

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