National Council for the Social Studies. The Social studies professional: A newsletter from the National Council for the Social Studies. The Council.
Cita Chicago (17th ed.)National Council for the Social Studies. The Social Studies Professional: A Newsletter from the National Council for the Social Studies. [Washington, D.C.]: The Council.
Cita MLA (9th ed.)National Council for the Social Studies. The Social Studies Professional: A Newsletter from the National Council for the Social Studies. The Council.
Atenció: Aquestes cites poden no estar 100% correctes.