Helen Dwight Reid Educational Foundation. History. HELDREF Publications.
Cita Chicago Style (17a ed.)Helen Dwight Reid Educational Foundation. History. Washington, DC: HELDREF Publications.
Cita MLA (9a ed.)Helen Dwight Reid Educational Foundation. History. HELDREF Publications.
Nota: a formatação da citação pode não corresponder 100% ao definido pela respectiva norma.