KING, S. (1975). Starting points in physical science: A source book for schools. Hart-Davis educational.
Chicago-viite (17. p.)KING, S.F. Starting Points in Physical Science: A Source Book for Schools. London: Hart-Davis educational, 1975.
MLA-viite (9. p.)KING, S.F. Starting Points in Physical Science: A Source Book for Schools. Hart-Davis educational, 1975.
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