International Population Conference & International Union for the Scientific Study of Population. (1959). International Population Conference: Congres international de la population ; [proceedings] 1959-. [s.n.].
Citazione stile Chigago Style (17a edizione)International Population Conference e International Union for the Scientific Study of Population. International Population Conference: Congres International De La Population ; [proceedings] 1959-. London: [s.n.], 1959.
Citatione MLA (9a ed.)International Population Conference e International Union for the Scientific Study of Population. International Population Conference: Congres International De La Population ; [proceedings] 1959-. [s.n.], 1959.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.