Coltoff, P. (2010). At the crossroads: Not-for-profit leadership strategies for executives and boards. John Wiley.
Чикаго-гийн эшлэл (17 дахь хэвлэлт)Coltoff, Philip. At the Crossroads: Not-for-profit Leadership Strategies for Executives and Boards. Hoboken, N.J.: John Wiley, 2010.
MLA -ийн эшлэл (9 дэх хэвлэлт)Coltoff, Philip. At the Crossroads: Not-for-profit Leadership Strategies for Executives and Boards. John Wiley, 2010.
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