Dyfyniad APA

Unesco. (1980). Literacy 1972-1976: Progress achieved in literacy throughout the world. Unesco.

Dyfyniad Arddull Chicago

Unesco. Literacy 1972-1976: Progress Achieved in Literacy Throughout the World. Paris: Unesco, 1980.

Dyfyniad MLA

Unesco. Literacy 1972-1976: Progress Achieved in Literacy Throughout the World. Unesco, 1980.

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