Dyfyniad APA

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

Dyfyniad Arddull Chicago

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.

Dyfyniad MLA

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

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