G.F. Break [et al.]. (1963). Federal credit agencies. Prentice hall.
Chicago Style aipamenaG.F. Break [et al.]. Federal Credit Agencies. New Jersey: Prentice hall, 1963.
MLA aipamenaG.F. Break [et al.]. Federal Credit Agencies. Prentice hall, 1963.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.