APA (7th ed.) Zitazioa
HEIEN, D. (1996). THE RELATIONSHIP BETWEEN ALCOHOL CONSUMPTION AND EARNINGS.
Chicago Style (17th ed.) Zitazioa
HEIEN, D. THE RELATIONSHIP BETWEEN ALCOHOL CONSUMPTION AND EARNINGS. 1996.
MLA (9th ed.) Zitazioa
HEIEN, D. THE RELATIONSHIP BETWEEN ALCOHOL CONSUMPTION AND EARNINGS. 1996.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.