APA (7 वां संस्करण) प्रशस्ति पत्र

Não informado. (1953). Contractors and engineers: Magazine of modern construction. Buttenheim-Dix Publishing.

शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र

Não informado. Contractors and Engineers: Magazine of Modern Construction. New York: Buttenheim-Dix Publishing, 1953.

एमएलए (8वां संस्करण) प्रशस्ति पत्र

Não informado. Contractors and Engineers: Magazine of Modern Construction. Buttenheim-Dix Publishing, 1953.

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