Dyfyniad APA

Crichton, M. (2004). State of fear. HarperCollins Publishers.

Dyfyniad Arddull Chicago

Crichton, Michael. State of Fear. London: HarperCollins Publishers, 2004.

Dyfyniad MLA

Crichton, Michael. State of Fear. HarperCollins Publishers, 2004.

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