Dyfyniad APA

Information World / Bilgi Dunyasi. University & Research Librarians Associations (UNAK).

Dyfyniad Arddull Chicago

Information World / Bilgi Dunyasi. University & Research Librarians Associations (UNAK).

Dyfyniad MLA

Information World / Bilgi Dunyasi. University & Research Librarians Associations (UNAK).

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