Robertson, J. K. (1924). X-rays and X-ray apparatus: An elementary course. The Macmillan company.
Čikaški stil citiranja (17. izdanje)Robertson, John Kellock. X-rays and X-ray Apparatus: An Elementary Course. New York: The Macmillan company, 1924.
MLA način citiranja (8. izdanje)Robertson, John Kellock. X-rays and X-ray Apparatus: An Elementary Course. The Macmillan company, 1924.
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