Dyfyniad APA

Doughlas Adams. (1979). The Hitchhiker's Guide to the Galaxy. Pan Books.

Dyfyniad Arddull Chicago

Doughlas Adams. The Hitchhiker's Guide to the Galaxy. London: Pan Books, 1979.

Dyfyniad MLA

Doughlas Adams. The Hitchhiker's Guide to the Galaxy. Pan Books, 1979.

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