APA (7. basım) Alıntı

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

Chicago Style (17. basım) Atıf

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

MLA (9th ed.) Atıf

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