John E. Borland. Modern teaching in the senior school: Nature study science. George Newnes.
Čikaški stil citiranja (17. izdanje)John E. Borland. Modern Teaching in the Senior School: Nature Study Science. London: George Newnes.
MLA način citiranja (9. izdanje)John E. Borland. Modern Teaching in the Senior School: Nature Study Science. George Newnes.
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