APA সাইটেশন

Zarocostas, J. (2005). Aid often helps richer people in poor countries, World Bank says. BMJ Publishing Group Ltd.

শিকাগো স্টাইলে সাইটেশন

Zarocostas, John. Aid Often Helps Richer People in Poor Countries, World Bank Says. BMJ Publishing Group Ltd, 2005.

এমএলএ সাইটেশন

Zarocostas, John. Aid Often Helps Richer People in Poor Countries, World Bank Says. BMJ Publishing Group Ltd, 2005.