(1941). Encyclopedia of Educational Research: Prep. under the auspices of the american educational research association. New York The Macmillan Co. 1941.
Chicago-стиль цитированияEncyclopedia of Educational Research: Prep. Under the Auspices of the American Educational Research Association. New York The Macmillan Co. 1941, 1941.
MLA-цитированиеEncyclopedia of Educational Research: Prep. Under the Auspices of the American Educational Research Association. New York The Macmillan Co. 1941, 1941.
Предупреждение: эти цитированмия не могут быть всегда правильны на 100%.