Dyfyniad APA

(2002). Business periodicals collection: [Đĩa CD-ROM]. Ipswich, MA: Ebsco Pub..

Dyfyniad Arddull Chicago

Business Periodicals Collection: [Đĩa CD-ROM]. Ipswich, MA: Ebsco Pub., 2002.

Dyfyniad MLA

Business Periodicals Collection: [Đĩa CD-ROM]. Ipswich, MA: Ebsco Pub., 2002.

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