Gertler, P. J., Martinez, S., Premand, P., Rawlings, L. B., & Vermeersch, C. M. J. (2016). Impact evaluation in practice (Second edition.). World Bank Group.

Gertler, Paúl J., Sebastian Martinez, Patrick Premand, Laura B. Rawlings, and Christel M. J. Vermeersch. Impact Evaluation in Practice. Second edition. Washington: World Bank Group, 2016.

Gertler, Paúl J., et al. Impact Evaluation in Practice. Second edition. World Bank Group, 2016.