BEll, R. (1985). Self - Assessment Tests For The Practicing Radiographer. Univercity Park Press.
Čikaški stil citiranja (17. izdanje)BEll, Roy. Self - Assessment Tests For The Practicing Radiographer. Univercity Park Press, 1985.
MLA način citiranja (9. izdanje)BEll, Roy. Self - Assessment Tests For The Practicing Radiographer. Univercity Park Press, 1985.
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