Gaya APA

Aldrich, J, O., Rodríguez, H, M. (2013). Building SPSS Graphs to Understand Data (1st ed). California: SAGE Publications, Inc.

Gaya MLA

Aldrich, James, O.., Rodríguez, Hilda, M.. "Building SPSS Graphs to Understand Data". 1st ed California: SAGE Publications, Inc, 2013. MP.