APA aipamena

FERBER, R. (1967). Research Methods In Economis And Business Robert Ferber And P.j. Verdoorn. Macmillan Co.

Chicago Style aipamena

FERBER, Robert. Research Methods In Economis And Business Robert Ferber And P.j. Verdoorn. Macmillan Co, 1967.

MLA aipamena

FERBER, Robert. Research Methods In Economis And Business Robert Ferber And P.j. Verdoorn. Macmillan Co, 1967.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.