Dyfyniad APA

Gudschinsky, S. C. (1973). A manual of literacy for preliterate peoples. Summer Institute of Linguistics.

Dyfyniad Arddull Chicago

Gudschinsky, Sarah C. A Manual of Literacy for Preliterate Peoples. Ukarumpa, Papua-New Guinea: Summer Institute of Linguistics, 1973.

Dyfyniad MLA

Gudschinsky, Sarah C. A Manual of Literacy for Preliterate Peoples. Summer Institute of Linguistics, 1973.

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