Society for Nonprofit Organizations (U.S.). (1986). Nonprofit world. Society for Nonprofit Organizations.
Chicago-viite (17. p.)Society for Nonprofit Organizations (U.S.). Nonprofit World. Madison, Wis.: Society for Nonprofit Organizations, 1986.
MLA-viite (8. p.)Society for Nonprofit Organizations (U.S.). Nonprofit World. Society for Nonprofit Organizations, 1986.
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