Sturton, M. (1992). Tonga: Development through agricultural exports. Pacific Islands Development Program, East-West Center.
Chicago-Zitierstil (17. Ausg.)Sturton, Mark. Tonga: Development Through Agricultural Exports. Honolulu, Hawaii: Pacific Islands Development Program, East-West Center, 1992.
MLA-Zitierstil (8. Ausg.)Sturton, Mark. Tonga: Development Through Agricultural Exports. Pacific Islands Development Program, East-West Center, 1992.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.