Cita APA (7a ed.)

Praag, B. M. S. v., & Sar, N. L. v. d. (1987). Household cost functions and equivalence scales. Erasmus University, Econometric Institute.

Cita Chicago Style (17a ed.)

Praag, Bernard M. S. van, y Nico L. van der Sar. Household Cost Functions and Equivalence Scales. Rotterdam: Erasmus University, Econometric Institute, 1987.

Cita MLA (9a ed.)

Praag, Bernard M. S. van, y Nico L. van der Sar. Household Cost Functions and Equivalence Scales. Erasmus University, Econometric Institute, 1987.