Social studies today :
guidelines for curriculum improvement.
APA Citation
Pennsylvania. Bureau of General and Academic Education. Social Studies Division. (1971). Social studies today: guidelines for curriculum improvement. [Harrisburg].
MLA Citation
Pennsylvania. Bureau of General and Academic Education. Social Studies Division. Social Studies Today: Guidelines for Curriculum Improvement. [Harrisburg], 1971.
Warning: These citations may not always be complete (especially for serials).