APA aipamena

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

Chicago Style aipamena

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

MLA aipamena

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

Kontuz: berrikusi erreferentzia hauek erabili aurretik.