West Midland Group. (1956). Local government and central control. Routledge and Paul.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रWest Midland Group. Local Government and Central Control. London: Routledge and Paul, 1956.
एमएलए (9वां संस्करण) प्रशस्ति पत्रWest Midland Group. Local Government and Central Control. Routledge and Paul, 1956.
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