SpringerLink (Online service) & Ullah, A. (1989). Semiparametric and nonparametric econometrics. Physica-Verlag.
Chicago Style (17th ed.) CitationSpringerLink (Online service) and Aman Ullah. Semiparametric and Nonparametric Econometrics. Heidelberg: Physica-Verlag, 1989.
MLA (9th ed.) CitationSpringerLink (Online service) and Aman Ullah. Semiparametric and Nonparametric Econometrics. Physica-Verlag, 1989.
Warning: These citations may not always be 100% accurate.