Jacobson, W. J., & Tannenbaum, H. E. (1961). Modern elementary school science: A recommended sequence. Bureau of Publications, Teachers College, Columbia University.
Čikaški stil citiranja (17. izdanje)Jacobson, Willard J., i Harold E. Tannenbaum. Modern Elementary School Science: A Recommended Sequence. New York: Bureau of Publications, Teachers College, Columbia University, 1961.
MLA način citiranja (9. izdanje)Jacobson, Willard J., i Harold E. Tannenbaum. Modern Elementary School Science: A Recommended Sequence. Bureau of Publications, Teachers College, Columbia University, 1961.
Upozorenje: Ovi citati možda nisu uvijek 100% točni.