Dyfyniad APA

(1982). Rural roads development program II, final report: General vol. I I. [s.l.].

Dyfyniad Arddull Chicago

Rural Roads Development Program II, Final Report: General Vol. I I. Norconsult A.S. and Renardet S.A: [s.l.], 1982.

Dyfyniad MLA

Rural Roads Development Program II, Final Report: General Vol. I I. [s.l.], 1982.

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