Não informado. (1928). Journal of Education for Business. Heldref Publications.
Cita Chicago Style (17a ed.)Não informado. Journal of Education for Business. Washington: Heldref Publications, 1928.
Cita MLA (8a ed.)Não informado. Journal of Education for Business. Heldref Publications, 1928.
Precaución: Estas citas no son 100% exactas.