Dyfyniad APA
ebrary, Inc, Gwatkin, D. R., Wagstaff, A., & Yazbeck, A. (2005). Reaching the poor with health, nutrition, and population services: What works, what doesn't, and why. The World Bank.
Dyfyniad Arddull Chicago
ebrary, Inc, Davidson R. Gwatkin, Adam Wagstaff, and Abdo Yazbeck. Reaching the Poor with Health, Nutrition, and Population Services: What Works, What Doesn't, and Why. Washington, DC: The World Bank, 2005.
Dyfyniad MLA
ebrary, Inc, et al. Reaching the Poor with Health, Nutrition, and Population Services: What Works, What Doesn't, and Why. The World Bank, 2005.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.