Barnes, D. L., & Burgdorf, A. B. (1969). New approaches to teaching elementary social studies with illustrative units. Social Studies Pub.
Chicago Style (17th ed.) CitationBarnes, Donald L., and Arlene B. Burgdorf. New Approaches to Teaching Elementary Social Studies with Illustrative Units. Manila: Social Studies Pub, 1969.
MLA (9th ed.) CitationBarnes, Donald L., and Arlene B. Burgdorf. New Approaches to Teaching Elementary Social Studies with Illustrative Units. Social Studies Pub, 1969.
Warning: These citations may not always be 100% accurate.