Hartoonian, H. M. (1986). A guide to curriculum planning in social studies. Wisconsin.
Cita Chicago (17th ed.)Hartoonian, H Michael. A Guide to Curriculum Planning in Social Studies. Madison: Wisconsin, 1986.
Cita MLA (9th ed.)Hartoonian, H Michael. A Guide to Curriculum Planning in Social Studies. Wisconsin, 1986.
Atenció: Aquestes cites poden no estar 100% correctes.