Não informado. (1918). School life. Bureau of Education.
Citace podle Chicago (17th ed.)Não informado. School Life. Washington: Bureau of Education, 1918.
Citace podle MLA (8th ed.)Não informado. School Life. Bureau of Education, 1918.
Upozornění: Tyto citace jsou generovány automaticky. Nemusí být zcela správně podle citačních pravidel..