Dyfyniad APA

BF Bulletin. Special Libraries Association, Business & Finance Division.

Dyfyniad Arddull Chicago

BF Bulletin. Special Libraries Association, Business & Finance Division.

Dyfyniad MLA

BF Bulletin. Special Libraries Association, Business & Finance Division.

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