*{{chú thíchcite journal |last=Hughes Hallett |first=Andrew J. |title=Econometrics and the Theory of Economic Policy: The Tinbergen–Theil Contributions 40 Years On |journal=Oxford Economic Papers |year=1989 |volume=41 |issue=1 |pages=189–214 |jstor=2663189 }}
*{{chú thíchcite journal |last=Sargan |first=J. D. |authorlink=Denis Sargan |authorlink2=Alok Bhargava |first2=Alok |last2=Bhargava |year=1983 |title=Testing residuals from least squares regressions for being generated by the Gaussian random walk |journal=[[Econometrica]] |volume=51 |issue=1 |pages=153–174 |jstor=1912252 }}
