Facey, D. F. (2010). The social studies helper: Creative assignments for exam success. Rowman & Littlefield Education.
Cita Chicago (17th ed.)Facey, Denise Fawcett. The Social Studies Helper: Creative Assignments for Exam Success. Lanham, Md: Rowman & Littlefield Education, 2010.
Cita MLA (9th ed.)Facey, Denise Fawcett. The Social Studies Helper: Creative Assignments for Exam Success. Rowman & Littlefield Education, 2010.
Atenció: Aquestes cites poden no estar 100% correctes.