Gupta, S. L. (2011). SPSS 17.0 for Researchers (2nd.). International Book House.
Citazione stile Chigago Style (17a edizione)Gupta, S L. SPSS 17.0 for Researchers. 2nd. New delhi: International Book House, 2011.
Citatione MLA (9a ed.)Gupta, S L. SPSS 17.0 for Researchers. 2nd. International Book House, 2011.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.