APA aipamena

Bruce Greenwald. (2014). Competition Demystified. Penguin.

Chicago Style aipamena

Bruce Greenwald. Competition Demystified. Penguin, 2014.

MLA aipamena

Bruce Greenwald. Competition Demystified. Penguin, 2014.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.