Fox, J. (1991). Regression Diagnostics / John Fox. SAGE university.
Cita Chicago (17th ed.)Fox, John. Regression Diagnostics / John Fox. London: SAGE university, 1991.
Cita MLA (9th ed.)Fox, John. Regression Diagnostics / John Fox. SAGE university, 1991.
Atenció: Aquestes cites poden no estar 100% correctes.