Citazione Stile APA (7a Edizione)

Salcedo, J., & Mccormick, K. (2020). SPSS statistics (4th edition.). John Wiley & Sons.

Citazione stile Chigago Style (17a edizione)

Salcedo, Jesus, e Keith Mccormick. SPSS Statistics. 4th edition. Hoboken, N.J: John Wiley & Sons, 2020.

Citatione MLA (9a ed.)

Salcedo, Jesus, e Keith Mccormick. SPSS Statistics. 4th edition. John Wiley & Sons, 2020.