APA (7 वां संस्करण) प्रशस्ति पत्र

Opie, R. (1998). The wartime scrapbook: From blitz to victory, 1939-1945. New Cavendish Books.

शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र

Opie, Robert. The Wartime Scrapbook: From Blitz to Victory, 1939-1945. London: New Cavendish Books, 1998.

एमएलए (9वां संस्करण) प्रशस्ति पत्र

Opie, Robert. The Wartime Scrapbook: From Blitz to Victory, 1939-1945. New Cavendish Books, 1998.