Dyfyniad APA

Advertising Age's Business Marketing. Crain Communications Inc. (MI).

Dyfyniad Arddull Chicago

Advertising Age's Business Marketing. Crain Communications Inc. (MI).

Dyfyniad MLA

Advertising Age's Business Marketing. Crain Communications Inc. (MI).

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