Information Scotland. Chartered Institute of Library & Information Professionals in Scotland (CILIPS).
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रInformation Scotland. Chartered Institute of Library & Information Professionals in Scotland (CILIPS).
एमएलए (9वां संस्करण) प्रशस्ति पत्रInformation Scotland. Chartered Institute of Library & Information Professionals in Scotland (CILIPS).
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