Andringa, Robert C.. Nonprofit board answer book: practical guidelines for board members and chief executives / Robert C. Andringa, Ted W. Engstrom . - Washington : National Center for Nonprofit Boards, 1997 . - viii, 197 p. port., tab. 23 cm.
К.: Бібліогр. в підрядк. прим., Index
0-925299-80-4