Dyfyniad APA

Meredith, A., Malleson, L., & Edwards, M. (2017). Portrait of a murderer: A Christmas crime story. British Library.

Dyfyniad Arddull Chicago

Meredith, Anne, Lucy Malleson, and Martin Edwards. Portrait of a Murderer: A Christmas Crime Story. London: British Library, 2017.

Dyfyniad MLA

Meredith, Anne, et al. Portrait of a Murderer: A Christmas Crime Story. British Library, 2017.

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