Jacobson, W. J., & Tannenbaum, H. E. (1961). Modern elementary school science: A recommended sequence. Bureau of Publications, Teachers College, Columbia University.
Chicago-Zitierstil (17. Ausg.)Jacobson, Willard J., und Harold E. Tannenbaum. Modern Elementary School Science: A Recommended Sequence. New York: Bureau of Publications, Teachers College, Columbia University, 1961.
MLA-Zitierstil (9. Ausg.)Jacobson, Willard J., und Harold E. Tannenbaum. Modern Elementary School Science: A Recommended Sequence. Bureau of Publications, Teachers College, Columbia University, 1961.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.