Dyfyniad APA

Gupta, S. L. (2011). SPSS 17.0 for Researchers (2nd.). International Book House.

Dyfyniad Arddull Chicago

Gupta, S L. SPSS 17.0 for Researchers. 2nd. New delhi: International Book House, 2011.

Dyfyniad MLA

Gupta, S L. SPSS 17.0 for Researchers. 2nd. International Book House, 2011.

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