Hammond, A. (1998). Which world?: Scenarios for the 21st century. Washington: World Resources Institute.
シカゴスタイル引用形Hammond, Allen. Which World?: Scenarios for the 21st Century. Washington: World Resources Institute, 1998.
MLA引用形式Hammond, Allen. Which World?: Scenarios for the 21st Century. Washington: World Resources Institute, 1998.
警告: この引用は必ずしも正確ではありません.