Cita APA (7th ed.)

Ullah, A. (1989). Semiparametric and nonparametric econometrics. Physica-Verlag.

Cita Chicago (17th ed.)

Ullah, Aman. Semiparametric and Nonparametric Econometrics. Heidelberg: Physica-Verlag, 1989.

Cita MLA (9th ed.)

Ullah, Aman. Semiparametric and Nonparametric Econometrics. Physica-Verlag, 1989.