Dyfyniad APA

Kennedy, E. The Case of the Frozen Hearts. Puffin Books.

Dyfyniad Arddull Chicago

Kennedy, Emma. The Case of the Frozen Hearts. Puffin Books.

Dyfyniad MLA

Kennedy, Emma. The Case of the Frozen Hearts. Puffin Books.

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