APA (7 वां संस्करण) प्रशस्ति पत्र

F.Spalding, W. Eastern Exchange currency and finance. Sir isaac pitman and sons ltd.

शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र

F.Spalding, William. Eastern Exchange Currency and Finance. Sir isaac pitman and sons ltd.

एमएलए (8वां संस्करण) प्रशस्ति पत्र

F.Spalding, William. Eastern Exchange Currency and Finance. Sir isaac pitman and sons ltd.

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