Dyfyniad APA

JOHNSON, R. (1984). Elementary statistics - Robert Johnson. DWS-Kent Publishing Company.

Dyfyniad Arddull Chicago

JOHNSON, Robert. Elementary Statistics - Robert Johnson. DWS-Kent Publishing Company, 1984.

Dyfyniad MLA

JOHNSON, Robert. Elementary Statistics - Robert Johnson. DWS-Kent Publishing Company, 1984.

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