Dyfyniad APA

Choi, J. P. Preannouncing information goods.

Dyfyniad Arddull Chicago

Choi, Jay Pil. Preannouncing Information Goods.

Dyfyniad MLA

Choi, Jay Pil. Preannouncing Information Goods.

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