BEll, R. (1985). Self - Assessment Tests For The Practicing Radiographer. Univercity Park Press.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रBEll, Roy. Self - Assessment Tests For The Practicing Radiographer. Univercity Park Press, 1985.
एमएलए (9वां संस्करण) प्रशस्ति पत्रBEll, Roy. Self - Assessment Tests For The Practicing Radiographer. Univercity Park Press, 1985.
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