Dyfyniad APA

The Economist News paper Ltd. (1998). Desk Campanion. Profile Books.

Dyfyniad Arddull Chicago

The Economist News paper Ltd. Desk Campanion. Profile Books, 1998.

Dyfyniad MLA

The Economist News paper Ltd. Desk Campanion. Profile Books, 1998.

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