Dyfyniad APA

(1973). Bibliography of publications issued by Unesco or under its auspices: The first twenty-five years. Unesco.

Dyfyniad Arddull Chicago

Bibliography of Publications Issued by Unesco or Under Its Auspices: The First Twenty-five Years. Paris: Unesco, 1973.

Dyfyniad MLA

Bibliography of Publications Issued by Unesco or Under Its Auspices: The First Twenty-five Years. Unesco, 1973.

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