Não informado. (1950). Educational Researcher. American Educational Research Association.
Citace podle Chicago (17th ed.)Não informado. Educational Researcher. Washington: American Educational Research Association, 1950.
Citace podle MLA (8th ed.)Não informado. Educational Researcher. American Educational Research Association, 1950.
Upozornění: Tyto citace jsou generovány automaticky. Nemusí být zcela správně podle citačních pravidel..