APA aipamena

Harford, T. (2006). The undercover economist. Little Brown.

Chicago Style aipamena

Harford, Tim. The Undercover Economist. London: Little Brown, 2006.

MLA aipamena

Harford, Tim. The Undercover Economist. Little Brown, 2006.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.