Dyfyniad APA

Planning Association of Washington. (1966). Proceedings of the association's conference. s.n.

Dyfyniad Arddull Chicago

Planning Association of Washington. Proceedings of the Association's Conference. S.l: s.n, 1966.

Dyfyniad MLA

Planning Association of Washington. Proceedings of the Association's Conference. s.n, 1966.

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