La Piana, D. (2005). Play to win: The nonprofit guide to competitive strategy. San Francisco: Jossey-Bass.
シカゴスタイル引用形La Piana, David. Play to Win: The Nonprofit Guide to Competitive Strategy. San Francisco: Jossey-Bass, 2005.
MLA引用形式La Piana, David. Play to Win: The Nonprofit Guide to Competitive Strategy. San Francisco: Jossey-Bass, 2005.
警告: この引用は必ずしも正確ではありません.