Dyfyniad APA

National institute of rural development. (1990). Rural development statistics 1989. National institute of rural development.

Dyfyniad Arddull Chicago

National institute of rural development. Rural Development Statistics 1989. Hyderabad: National institute of rural development, 1990.

Dyfyniad MLA

National institute of rural development. Rural Development Statistics 1989. National institute of rural development, 1990.

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