Drucker, P. F. (1992). Managing for the future: The 1990s and beyond. Plume.
Chicagoスタイル(17版)引用形式Drucker, Peter Ferdinand. Managing for the Future: The 1990s and Beyond. New York: Plume, 1992.
MLA(9版)引用形式Drucker, Peter Ferdinand. Managing for the Future: The 1990s and Beyond. Plume, 1992.
警告: この引用は必ずしも正確ではありません.