Não informado. (1928). Journal of Education for Business. Heldref Publications.
Style de citation Chicago (17e éd.)Não informado. Journal of Education for Business. Washington: Heldref Publications, 1928.
Style de citation MLA (8e éd.)Não informado. Journal of Education for Business. Heldref Publications, 1928.
Attention : ces citations peuvent ne pas être correctes à 100%.