APA (7 वां संस्करण) प्रशस्ति पत्र

(1988). Spon's International Construction Cortshandbook Edited By Davis , Belfield And Everest; With Contributions From The Comite European Des Economistes De La Construction. E & F.N Spon.

शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र

Spon's International Construction Cortshandbook Edited By Davis , Belfield And Everest; With Contributions From The Comite European Des Economistes De La Construction. E & F.N Spon, 1988.

एमएलए (8वां संस्करण) प्रशस्ति पत्र

Spon's International Construction Cortshandbook Edited By Davis , Belfield And Everest; With Contributions From The Comite European Des Economistes De La Construction. E & F.N Spon, 1988.

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