HARFORD TIM. (2006). UNDERCOVER ECONOMIST. LITTLE BROWN AND COMPANY.
Chicago Style aipamenaHARFORD TIM. UNDERCOVER ECONOMIST. LONDON: LITTLE BROWN AND COMPANY, 2006.
MLA aipamenaHARFORD TIM. UNDERCOVER ECONOMIST. LITTLE BROWN AND COMPANY, 2006.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.