Ansoff, H. I. (1969). Business strategy: Selected readings. Penguin.
Chicagoスタイル(17版)引用形式Ansoff, H. Igor. Business Strategy: Selected Readings. [Harmondsworth]: Penguin, 1969.
MLA(9版)引用形式Ansoff, H. Igor. Business Strategy: Selected Readings. Penguin, 1969.
警告: この引用は必ずしも正確ではありません.