APA

Khandker S. R., Koolwal G. & Samad H. A. (2009). Handbook on impact evaluation. Washington, D.C: World Bank.

Chicago

Khandker Shahidur R, Koolwal Gayatri and Samad Hussain A. 2009. Handbook on impact evaluation. Washington, D.C: World Bank.

Harvard

Khandker S. R., Koolwal G. and Samad H. A. (2009). Handbook on impact evaluation. Washington, D.C: World Bank.

MLA

Khandker Shahidur R, Koolwal Gayatri and Samad Hussain A. Handbook on impact evaluation. Washington, D.C: World Bank. 2009.