APA (7 वां संस्करण) प्रशस्ति पत्र

Sturton, M. (1992). Tonga: Development through agricultural exports. Pacific Islands Development Program, East-West Center.

शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र

Sturton, Mark. Tonga: Development Through Agricultural Exports. Honolulu, Hawaii: Pacific Islands Development Program, East-West Center, 1992.

एमएलए (8वां संस्करण) प्रशस्ति पत्र

Sturton, Mark. Tonga: Development Through Agricultural Exports. Pacific Islands Development Program, East-West Center, 1992.