APA aipamena

Colander, D. C. (1993). Economics. USA: Irwin.

Chicago Style aipamena

Colander, David C. Economics. USA: Irwin, 1993.

MLA aipamena

Colander, David C. Economics. USA: Irwin, 1993.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.