Nelkon, M., & Ogborn, J. M. (1977). Advanced level practical physics (4th ed.). Heinemann education.
Čikaški stil citiranja (17. izdanje)Nelkon, M., i J. M. Ogborn. Advanced Level Practical Physics. 4th ed. London: Heinemann education, 1977.
MLA način citiranja (9. izdanje)Nelkon, M., i J. M. Ogborn. Advanced Level Practical Physics. 4th ed. Heinemann education, 1977.
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