Bobko, P. (1995). Correlation and regression: Principles and applications for industrial... McGraw-Hill.
Chicago-viite (17. p.)Bobko, Philip. Correlation and Regression: Principles and Applications for Industrial... London: McGraw-Hill, 1995.
MLA-viite (9. p.)Bobko, Philip. Correlation and Regression: Principles and Applications for Industrial... McGraw-Hill, 1995.
Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.