Sweet, R. (2009). Commercial leases: Tenants' amendments (6th ed.). Sweet & Maxwell.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रSweet, Robert. Commercial Leases: Tenants' Amendments. 6th ed. London: Sweet & Maxwell, 2009.
एमएलए (9वां संस्करण) प्रशस्ति पत्रSweet, Robert. Commercial Leases: Tenants' Amendments. 6th ed. Sweet & Maxwell, 2009.
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