Dyfyniad APA

Parker, R. B. (2010). The professional: A spenser mystery. London: Quercus.

Dyfyniad Arddull Chicago

Parker, Robert B. The Professional: A Spenser Mystery. London: Quercus, 2010.

Dyfyniad MLA

Parker, Robert B. The Professional: A Spenser Mystery. London: Quercus, 2010.

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