Dyfyniad APA

Prebble, L., & Harding, L. (2019). A very expensive poison. Methuen Drama/Bloomsbury Publishing Plc.

Dyfyniad Arddull Chicago

Prebble, Lucy, and Luke Harding. A Very Expensive Poison. London, UK: Methuen Drama/Bloomsbury Publishing Plc, 2019.

Dyfyniad MLA

Prebble, Lucy, and Luke Harding. A Very Expensive Poison. Methuen Drama/Bloomsbury Publishing Plc, 2019.

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