APA (7e ed.) Bronvermelding

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

Chicago (17e ed.) Bronvermelding

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

MLA (8e ed.) Bronvermelding

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