JACOBSON, W. J., & BERGMAN, A. B. (1987). Science for children: A book for teachers.-- Ed.2. Prentice-Hall.
Cita Chicago Style (17a ed.)JACOBSON, Willard J., y Abby Barry BERGMAN. Science for Children: A Book for Teachers.-- Ed.2. London: Prentice-Hall, 1987.
Cita MLA (9a ed.)JACOBSON, Willard J., y Abby Barry BERGMAN. Science for Children: A Book for Teachers.-- Ed.2. Prentice-Hall, 1987.
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