1. The Drucker Foundation self-assessment tool: participant workbook Drucker, Peter F. (Peter Ferdinand), 1909-2005. San Francisco, Calif. : Jossey-Bass, ©1999. SW480
2. Maritime supremacy & the opening of the Western mind: naval campaigns that shaped the modern world Padfield, Peter, Woodstock, N.Y. : Overlook Press, 2002. HIST220
