Dyfyniad APA

(1992). Berne convention for the protection of literacy and artistic works: Paris act,1971. WIPO.

Dyfyniad Arddull Chicago

Berne Convention for the Protection of Literacy and Artistic Works: Paris Act,1971. Geneva: WIPO, 1992.

Dyfyniad MLA

Berne Convention for the Protection of Literacy and Artistic Works: Paris Act,1971. WIPO, 1992.

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