Planning Association of Washington. (1966). Proceedings of the association's conference. s.n.
Citazione stile Chigago Style (17a edizione)Planning Association of Washington. Proceedings of the Association's Conference. S.l: s.n, 1966.
Citatione MLA (9a ed.)Planning Association of Washington. Proceedings of the Association's Conference. s.n, 1966.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.