Robert, L. (1960). Rencontre internationale de la coopération d'habitation = Internationales Treffen der Wohnungsbaugenossenschaften = International meeting of housing co-operatives: Paris 5-6-7-octobre 1960. Paris: UNESCO.
Citazione stile Chigago Style (17a edizione)Robert, Léon. Rencontre Internationale De La Coopération D'habitation = Internationales Treffen Der Wohnungsbaugenossenschaften = International Meeting of Housing Co-operatives: Paris 5-6-7-octobre 1960. Paris: UNESCO, 1960.
Citatione MLA (8a ed.)Robert, Léon. Rencontre Internationale De La Coopération D'habitation = Internationales Treffen Der Wohnungsbaugenossenschaften = International Meeting of Housing Co-operatives: Paris 5-6-7-octobre 1960. Paris: UNESCO, 1960.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.