Dyfyniad APA

(1994). A world at the crossroads: New conflicts, new solutions :annals of Pugwash 1993. World Scientific.

Dyfyniad Arddull Chicago

A World At the Crossroads: New Conflicts, New Solutions :annals of Pugwash 1993. World Scientific, 1994.

Dyfyniad MLA

A World At the Crossroads: New Conflicts, New Solutions :annals of Pugwash 1993. World Scientific, 1994.

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