APA (7e ed.) Bronvermelding

League of Nations. (1928). Official vital statistics of Switzerland. [s.n.].

Chicago (17e ed.) Bronvermelding

League of Nations. Official Vital Statistics of Switzerland. Geneva: [s.n.], 1928.

MLA (9e ed.) Bronvermelding

League of Nations. Official Vital Statistics of Switzerland. [s.n.], 1928.

Let op: Deze citaties zijn niet altijd 100% accuraat.