Dyfyniad APA

National Research Council (U.S.). Working Group on Demographic Effects of Economic and Social Reversals. (1993). Demographic effects of economic reversals in sub-saharan Africa. National Academy Press.

Dyfyniad Arddull Chicago

National Research Council (U.S.). Working Group on Demographic Effects of Economic and Social Reversals. Demographic Effects of Economic Reversals in Sub-saharan Africa. Washington, D.C: National Academy Press, 1993.

Dyfyniad MLA

National Research Council (U.S.). Working Group on Demographic Effects of Economic and Social Reversals. Demographic Effects of Economic Reversals in Sub-saharan Africa. National Academy Press, 1993.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.