Não informado. (1941). Educators guide to free films. Educators Progress League.
Style de citation Chicago (17e éd.)Não informado. Educators Guide to Free Films. Randolph, Wis: Educators Progress League, 1941.
Style de citation MLA (8e éd.)Não informado. Educators Guide to Free Films. Educators Progress League, 1941.
Attention : ces citations peuvent ne pas être correctes à 100%.