Dyfyniad APA

(1982). Mysteries of the unexplained. Selecções do Reader's Digest.

Dyfyniad Arddull Chicago

Mysteries of the Unexplained. Selecções do Reader's Digest, 1982.

Dyfyniad MLA

Mysteries of the Unexplained. Selecções do Reader's Digest, 1982.

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