APA (7 वां संस्करण) प्रशस्ति पत्र

Raffo, P. (1974). The League of Nations. Historical Association.

शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र

Raffo, Peter. The League of Nations. London: Historical Association, 1974.

एमएलए (9वां संस्करण) प्रशस्ति पत्र

Raffo, Peter. The League of Nations. Historical Association, 1974.