Dyfyniad APA

The Bowker annual of library and book trade information.

Dyfyniad Arddull Chicago

The Bowker Annual of Library and Book Trade Information.

Dyfyniad MLA

The Bowker Annual of Library and Book Trade Information.

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