APA (7 वां संस्करण) प्रशस्ति पत्र

LAWSON, F. (1981). Conference Convention And Exhibition Facilities. Architectural Press Ltd.

शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र

LAWSON, Fred. Conference Convention And Exhibition Facilities. Architectural Press Ltd, 1981.

एमएलए (8वां संस्करण) प्रशस्ति पत्र

LAWSON, Fred. Conference Convention And Exhibition Facilities. Architectural Press Ltd, 1981.

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