Hartoonian, H. M. (1986). A guide to curriculum planning in social studies. Wisconsin.
Chicago Style (17th ed.) ZitazioaHartoonian, H Michael. A Guide to Curriculum Planning in Social Studies. Madison: Wisconsin, 1986.
MLA (9th ed.) ZitazioaHartoonian, H Michael. A Guide to Curriculum Planning in Social Studies. Wisconsin, 1986.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.