APA (7th ed.) Zitazioa
Lucas, E. (1920). The economic life of a Punjab village.
Chicago Style (17th ed.) Zitazioa
Lucas, E.D. The Economic Life of a Punjab Village. Lahore, 1920.
MLA (9th ed.) Zitazioa
Lucas, E.D. The Economic Life of a Punjab Village. 1920.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.