May, M. (2003). Absolute impact: The drive for personal leadership. Peloton.
Lua i Stíl Chicago (17ú heag.)May, Matthew. Absolute Impact: The Drive for Personal Leadership. Los Angeles: Peloton, 2003.
Lua MLA (8ú heag.)May, Matthew. Absolute Impact: The Drive for Personal Leadership. Peloton, 2003.
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