Pickett, L. E. (1975). The use of statistics: A handbook for co-operatives. International Labour Office.
Chicago-viite (17. p.)Pickett, Liam E. The Use of Statistics: A Handbook for Co-operatives. Geneva: International Labour Office, 1975.
MLA-viite (8. p.)Pickett, Liam E. The Use of Statistics: A Handbook for Co-operatives. International Labour Office, 1975.
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