HUGHES, R. (2013). GPST Stage 3: Written and simulation exercises. JP Medical Publishers.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रHUGHES, Richard. GPST Stage 3: Written and Simulation Exercises. JP Medical Publishers, 2013.
एमएलए (9वां संस्करण) प्रशस्ति पत्रHUGHES, Richard. GPST Stage 3: Written and Simulation Exercises. JP Medical Publishers, 2013.
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