Fisher, R. A. (1970). Statistical methods for research workers (14th ed., rev. and enl.). New York : London: Hafner Pub. Co. ; Collier-Macmillan Publishers.
Παραπομπή Chicago StyleFisher, Ronald Aylmer. Statistical Methods for Research Workers. 14th ed., rev. and enl. New York : London: Hafner Pub. Co. ; Collier-Macmillan Publishers, 1970.
Παραπομπή MLAFisher, Ronald Aylmer. Statistical Methods for Research Workers. 14th ed., rev. and enl. New York : London: Hafner Pub. Co. ; Collier-Macmillan Publishers, 1970.
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