APA aipamena

Gertler, P. J., Martinez, S., Premand, P., Rawlings, L. B., & vermeersch, C. M. J. (2011). Impact evaluation in practice. The World Bank.

Chicago Style aipamena

Gertler, Paul J., Sebastian Martinez, Patrick Premand, Laura B. Rawlings, and Christel M J. vermeersch. Impact Evaluation in Practice. Washington D.C.: The World Bank, 2011.

MLA aipamena

Gertler, Paul J., et al. Impact Evaluation in Practice. The World Bank, 2011.